Latest groove axle pulley assembly Tenders | Government groove axle pulley assembly Tenders

CTN :43546822

22 Jan, 2026 1.00 Lacs

Tinsukia - Assam

Tender For supply of alternator , rectifier metalic , field coil , armature assy , drive assy , pulley fan , belt fan , starting rope assy , air cleaner assy , nozzle assy , mcb 3 pole 32 amp

CTN :43547667

22 Jan, 2026 22.67 Lacs

Bardhaman - West Bengal

Tender For tender for supply of ash brick machine spares 1100015715 c c - jj1500bmn brick mould , jj1500bmn ram , jj1500bmn ram plate , jj1500bmn ht adjuster plate , jj1500bmn rotary table gear , jj1500bmn ejection cylinder , jj1500bmn ejection cylinder full seal se , jj1500bmn pressing cylinder seal set , jj1500bmn pressing cylinder , jj1500bmn pressing cylinder full seal se , jj1500bmn pressing cylinder pipe , jj1500bmn proximity sensors , jj1500bmn pinion gear , jj1500bmn hydraulic motor , jj1500bmn pinion gear shaft , jj1500bmn pinion bearing , jj1500bmn p b seal , jj1500bmn chain coupling , jj1500bmn main shaft seals , jj1500bmn bearing seal cover , jj1500bmn top plug , jj1500bmn shaft bearing , jj1500bmn suction oil filter , jj1500bmn breather assembly , jj1500bmn return filter , jj1500bmn oil leave gauge , jj1500bmn directional valve 3c4 , jj1500bmn directional valve 3c2 , jj1500bmn solenoid coils , jj1500bmn solenoid valve for pr relief , jj1500bmn stopping rod , jj1500bmn sra plate , jj1500bmn bottom brj , jj1500bmn pressure relief valve , jj1500bmn table flow control valve , jj1500bmn hydraulic pump , jj1500bmn plunger pump , jj1500bmn gear coupling (small) , jj1500bmn gear coupling , jj1500bmn ejection cylinder pipe , jj1500bmn hydraulic pump pipe , jj1500bmn pump outlet pipe , jj1500bmn heat exchanger with pipe , jj1500bmn emg stop switch , jj1500bmn manual/auto switch , jj1500bmn plc push button , jj1500bmn plc with display , jj1500bmn contactor , jj1500bmn transformer , jj1500bmn motor on , jj1500bmn motor off , jj1500bmn rotary switch on , jj1500bmn smps , jj1500bmn relay , jj1500bmn manual /auto selector switch , jj1500bmn sensing rod , jj1500bmn roller pan bottom liner set , jj1500bmn roller pan shell liner set , jj1500bmn planetary gear box , jj1500bmn starter , jj1500bmn inward scrapper arm , jj1500bmn inward scrapper blade , jj1500bmn outward scrapper arm , jj1500bmn outward scrapper blade , jj1500bmn c i roller shaft , jj1500bmn c i roller , jj1500bmn bearing , jj1500bmn roller cover , jj1500bmn oil seal , jj1500bmn bearing cover , jj1500bmn modular check valve , jj1500bmn gear box , jj1500bmn pillow blocks , jj1500bmn hopper rubber set , jj1500bmn conveyor drum , jj1500bmn electric motor , jj1500bmn small pulley , jj1500bmn big pulley , jj1500bmn v belt , jj1500bmn tyred wheel , jj1500bmn wheel bearing , jj1500bmn rim , jj1500bmn wheel axle , jj1500bmn hydraulic jeck , jj1500bmn hydraulic jeck seal kit , jj1500bmn fork top bearing , jj1500bmn fw steer bearing

Central Government/Public Sector

CTN :43547703

31 Jan, 2026 NA

Raigad - Maharashtra

Tender For tender for supply of bar polished ss 304 , 12mm. , round bar aisi304 dia20mm , barroundssais1304 dia25mm , ss round bar 50 mm dia 304l , ss round bar 3 inch dia 304l , ss round bar 4 inch dia 304l , rod ss 316 1inch dia , round bar 2inch em24 6 m , round bar ss 304l dia. 40 mm , length , round bar ss 304l dia. 60 mm , lenght 6 me , round bar ss 304l dia. 80 mm , lenght 6 , round bar ss 316l dia. 40 mm , lenght 6 , round bar ss 316l dia. 60 mm , lenght 6 m , round bar , en8 size- 20mm dia. std length , round bar , ss 316l size 25mm dia. std len , round bar , ss 316l size 75mm dia. std len , round bar ss 304 , dia 6 mm length 3-4 me , round baren8 3/4inch dia , round bar 2 inch en8 20me l , round bar ss410 size 120mm , round bar 316l 2 inch , 5-6me l , round bar 1-1/2 inch en-8 , round bar 1inch en8 , pneumatic grinder , 4 inch , cp3450-12ac4 , mini pneumatic die grinder , cp 9107 , allen key set , 10 sizes- 1.5 mm to 12 mm , tool box with tools as annexure , paint remover sp-98-s4. , rust loosener spray cans tf-77 400ml , stanvac z 730 steelweld amm , measuring tape , 5 meter-metalic , pneumatic drill machine cp9792c , pneumatic reciprocating saw cp7900 , chain pulley block light wt. 1/2 t x 3 m , chain pulley block light weight 1t x 3me , chain pulley block-cap. 3ton , 4meter lift , chain pulley block light weight 5t x 3me , chain pulley block light weight 2t x 3me , d-shakle 0.5 mt , d.shakle scr 1 mt , d-shakle 2mt , d-shakle scr 3 mt , d-shackle 5 mt , d shackle 10 mt.cap , polyster flat belt sling 5mt x 6mtr , flat webbing sling , 1t x 2me , flat webbing sling , 2t x 2me , polyster webbing slings 5mt x 3meter , web sling 1t x 3 me , sling web.flat 2t x 3me l , sling wbb cap-2t , l-5me. , eye bolt 8 mm. , eye bolt m10. , bolts eye as m12. , eye bolt m14. , bolts eye as m16. , eye bolt m18. , bolts eye as m20. , bolts eye as m24. , eye bolt m27. , bolts eye as m30. , sling 0.5 t x1.5 m long. , chain pulley 1tx10 m cha , plier combination 8 inch , screw driver elec 12 in , s-dvr is849/1971 , screw driver insulation 8 inch , punch centre 3/16x4inch , tub spanner set 6-22mm , allen key 1.5 to 10mm , t handle with allen key , allen key 1/16 to 3/8 inch , hammer sledge 5p , hammer 1 kg with suitable wooden handle , chisel cold flat 5/8 inch x 6 inch , chisel cold 3/8 x 6 inch , chisel cold 3/4 inch x 8 inch , wrench adj.34x300mm-12 inch , slide wrench size- 6 inch x 3/4 inch , box spanner set , nose plier 8 in , line tester elect 500v , d spanner set double ended 6mm to 22mm , spanner ring double ended size 24/27 mm , scr dvr set taparia 812 , ring spanner sets 6mm to 22mm , allen key 5.0 mm , allen key 6.0 mm , pipe wrench 12 inch -300x4 , pipe wrench 18 inch -450x6 , wire stripper for removi , hacksaw frame , 12 inch , hacksaw blade , 12 in , hss , hacksaw frame , 6 inch , hacksaw blade , 6 inch , tubular spanner 12 x 13mm , measuring tape 50me , carbide drill bits 4.0 mm , carbide drill bits 5.0 mm , carbide drill bits 6.0 mm , carbide drill bits 7.0mm , carbide drill bits 8.0 mm , electrician tool bag , polyster , wtrprf , aluminium tags for tagging as per sample , rtv silicone sealant , digimatic vernier caliper , 12 inch , vernier caliper 0-300 mm , measuring tape , 5 meter-metalic , luxmeter (range-0-50000 lumens) , hammer drill machine 13mm , soldering wire lead composition , soldering flux 500 gr , cordless portable drill machine , drill machine kpt -561 upto 10mm 240vac , brush painting 3 inch width , heat sink compound paste , outside micrometer , 0-25 mm , flat / flat , union ct ss304-6mm odtube , tee male ss304 1/4 inch nptx6mm odx6mm od , male connector 1/4 inch nptm x 6 mm od tube , tee 6mm od tube with singal ferrule , con fmle ssnpt1/4 inch x6mm od , conn male ssnpt 1/4 inch x6mm , elbow90 1/4 inch npt6mmss304 , ss316 6mmx1/4 inch nptm elbow male connector , conn ss 1/2 inch npt(m)x6mm od , conn ss 1/2 inch npt(f)x6mm o , wsi-plug hex head ss 316 , 1/8 inch npt(m) , ss316 6 mm od x 1/8 inch npt male connector , n

CTN :43521884

31 Jan, 2026 NA

Bokaro - Jharkhand

Tender For supply of head pulley assembly , belt takeup pulley assembly , coc drive shaft with sprocket assembly , coc take up shaft assembly , weighing roller y561a , weigh span roller y561b , inlet support pan eg24.7 , drag link assembly - lh , drag link assembly - rh , coc chain complete assembly for one feeder , bearing with housing for weigh roller , bearing with housing for weigh span roller , belt drive gear box with motor , coc drive gear box with motor

CTN :43322283

16 Feb, 2026 NA

Visakhapatnam - Andhra Pradesh

Tender For corrigendum : tender for supply of hose -20mm with threaded end connections , sock mount for main frame , jubilee clip 40mm , nut and bolt 12x100mm ss , level switch , hp flexible hose , victualic coupling , kit shaft seal , prefilter - filter pump shaft seal , filter pump , motor for 30tpd filter / prefilter pump , impeller 30.6id x 73 od x 9h , kit gaskets , cm 3-5 chamber complete p-4d , cm 3-5 pump shaft p-51 , cm 3-5 staybolt m8 p-181 , cm 3-5 kit gaskets , ring-circlips p-931 , casing p-1 , bearing lock out p-22 , bearing lock washer p-69 , cover gasket p-73 , constant level oiler p-77 , bolts p-171d , foot bolt p-171g , coupling , valve kit , seal.oil crankshaft , lockwasher , cap oil filler , gauge oil bubble w-gasket , o-ring crankcase cover , crank case , pin crosshead , seal oil crankcase , slinger barrier , retainer seal 2 pc , spacer lo-pressure seal , adapter male , springs coil , spacer w-coil springs , spacer v-packing , plug for priming , manifold discaharge , protector shaft wh screws , seal kit , o ring over hauling kit , victualing fitting , swash plate set , valve plate set , pulsation damper 0.16 lts. , o ring for head distriutor , sand filter , cartridge filter housing , lip seal dt module , membrane cushion , membrane cushion , pvc-u 2way solenoid vv d20 type160 nc , abs solvent cement , abs ball valve 2 way 25 mm , flow transmitter , o ring union 20 mm , o ring union 32 mm , o ring ball valve 25 mm 3-2 way pvc , connector 1 1-4 bsp m x 1 1-4 vivt , pu 4 hose , coupler for vict. coup.2.5 , pipe clamp 32 mm 2 bolt , elbow pu push in 1-4 mxpu4 qsl-1-4-6 , elbow pu push in fitting 1-4 fxpu4 , straight connector .1-4 m x pu 4 , solenoide valve , sol v-v 1-2 f230v 50hz ss316 2-way-no , two way ball valve with elec. actu. , control cabinet ro 200 , circuit breaker 1.6-2.5amp , pressure switch , miniature relay base for 2 c-o , servo motor control valve , control transformer 160 va , flow meter assembly , impeller grub screw , spacing pipe , spare kit d32 pvc , ball valve 2 way pvc-u 20 mm , dt module clamp , o-ring oil filler cap , edi module tool kit , oil gauge , hp elbow 1.for smcv , end connection flange brine and permeate , rubber hose 20mm , 325 mm long hose , 1650 mm long hose , pulsation damper , cartridge filter housing , cartridge filter element , lip seal dt module-groove ring gasket flange-sealing , air regulator , servo motor control valve , circuit breaker 1.6-2.5amp , miniature relay 24 vdc phoenix 2966171 , fuse base - 20 amp , pressure maintaining vlave , pressure switch , temperature indicator , circuit breakers 16 - 25 a , o-ring , o-ring , thermometer , 2 way ball valve assembly , 2 way ball valve ptfe d32 , ball valve abs 3 way d20 , pulley for motor , taper bush 1610 bore 24 mm , bearing hp pump , plunger rod , oil seal plunger rod , inlet valve adapter , oil drain kit , hp pump inlet manifold , frp filter type 1354 , head distributor , hp crank case oil , s.s. jubilee clips 22 mm to 30 mm , o ring crank case cover , high pressure hose module outlet , control transformer , emi filter mf 423-3-3d 200a , emi-emc choke mf 423-3-2d 200a , pressure transmitter 0-10 bar , level switch , conductivity sensor , conductivity electrode , flowmeter 40-400lph with magnetic float , lp hose 25mm idx1 bspmx500l ss316 , lp hose 32mm , h.p. flex. hose connecting hp pp and pi60 , hp hose of module in , h.p. hose module 1 to module 2 , hp hose sea water distribution manifold of dt module , lp hose hp pump inlet , hp hose discharge hose to dt manifold spool , taper bush 1615 bore 42mm , taper bush 2517 bore 42 mm , v belt , bearing hp pump motor , av mount for hp pp , av mount akcc 85m , mount for permeate transfer pump/filter pump , av mount akcc 40m , av mount for pk20 , hp pump crank case oil , jubilee clips 00 13mm to 20 mm , jubilee clips for d 25 , ss jubilee clips 2x 45 mm to 60 mm , support gravel 0.75 - 1.5 mm , support gravel 3.0 - 5.0 mm , support gravel1.52 - 3.0 mm , sand sup. fine 0.3 - 0.7mm ,

CTN :43189920

19 Jan, 2026 2.82 Crore

Multi City - Karnataka

Tender For corrigendum : supply of nrc engine spares to kkrtc divisions - accl pedal module leyland bsiv, starter ring/fly wheel ring leyland bsiii/iv/vi, engine oil cap hino(f1100160) leyland bsiii/iv/vi, s cam distance piece leyland bsiii, rocker arm rh leyland bsiii/iv/vi, rocker arm lh/leyland bsiii/iv/vi, stopper plate leyland bsiii/iv/vi, ignition relay leyland bsiii , fuse box wiring harness leyland bsiii (b7815603), vaccum indicatorleyland bs bsiii/iv, oil cooler o ring(f2702550) leyland bsiii/iv/vi, valve cap leyland bsiii/iv/vi, oil drain pipe leyland bsiv, screw 6dtie2 leyland bsiii/iv/vi, thermostat leyland bsiii, engine speed sensor leyland bsiii, water temp sensor leyland bsiii/iv/vi, boost procure temp sensor leyland bsiii, overhaul kit (turbo charger) (primary repair kit) , overhaul kit tata bs iii, secondary rep kit (turbo charger) , service indicator tata bsii/iii/iv, pressure transducer tata bsiii/midi, dip stick tata bsiii kkco1, dip stick tata bsiii kkco2, plug expansion tata bsii/iiikkco3, plug expansion tata bsii/iiikkco4, tube oil guage tata bsiiikkco5, tube oil guage tata bsiiikkco6, cap filler tata bsii/iii, clamp v band tata bsii/iiikkco7, clamp v band tata bsii/iiikkco8, minor repair kit turbo charger (3575169), thermostat tata bsiii kkauto10, plug expansion tata bsii/iii, tappet valve tata bsii/iiikkco10, connecting rod bolt tata bsii/iii, thermostat tata bsiv, oil cooler body eicher bsiii, core assy kit bs iv, engine speed sensor leyland bsiv/vi, accl pedal sensor leyland bs iv, overhaul kit turbo charger bs iv, actuator assy turbo charger bs iv, overhaul kit bs iv 702793200, actuator assy turbo bs iv, speedometer cable bs iii, engine speed sensor eicher iii, m can wiring harness 1616 bs iv, instrument cluster bs iv, current sens bs iv, oil cooler plate leyland bsiv/vi, pressure sens leyland bsiv/vi, engine wiring harness bs iv, bsiii main wiring harness, turbo overhaul kit midi-115518890007, turbo back plate midi-115512510003, turbo secondary kit midi-11518790001, turbo central housing midi-115511510007 kk, turbo compresswheel midi-115513510002, connecting-rod leyland bsiv/vi, plug expansion, cap filler, cam shaft tata bsiv, speed sensor eicher bsiv, injectior washer hino (p8101117) leyland bsiii, nut for rocker arm leyland bsiii, injector washer leyland bsiii, fan blade assy bsii (4 hole/10 leaf) leyland bsiii, bush for injector leyland bsiii, thrust washer 1st o/s leyland bsiii, fly wheel bolt hino leyland bsiii, gasket kit (turbo), themostat mtl bsiv, oil cooler body leyland bsiv, crdi pressure relief valve leyland bsiv, overhaul kit tc bsiii, shaft wheel bsiv, crank sensor speed sensor tata bsiv, core assy tata midi, speed sensor tata midi, cap assy fuel tank tata midi, speed sensor 12v/24v(8pluses) tata bsiii, gear shifter cable bsiv midi tata, fly wheel assy tata midi, fly wheel tata bsiii, fly wheel gear ring tata bsiii, assy. fly wheel with ring gear tata midi, fly wheel asembly eicher bsiii, assy fly wheel and ring gear 694 auto eicher bsiv, ring gear fly wheel e694 auto eicher bsiv, viscous fan controlling unit eicher bsiv, oil temparature sensor leyland bsiv, sensor boost pressure leyland bsiv/vi, fuel metering unit leyland bsiv, engine oil cap eicher bsiii, converter eicher bsiv, fly wheel ring eicher bsiii, wiring harness eicher bsiv, cam phase sensor eicher bsiv, shim speed sensor eicher bsiv, intake boost pressure sensor eicher bsiv, oil pressure sensor eicher bsiv, coolant temperature sensor eicher bsiv, thermostat eicher bsiii/iv, ll cylinder head bolt leyland bsiv/vi, belt tensioner eicher bsiv, turobocharger eicher bsiii, assy idler pulley eicher bsiv, viscus fan assy eicher bsiii, accelerator cable assly eicher bsiii, adblue sensor eicher bsiv, fuel level sensor eicher bsiv, fuel level sensor eicher bsiii, air brake sensor eicher bsiii/iv, oil cooler inner eicher bsiii, dipstick tata bsiii, cam shaft o ring c leyland bsiii/iv, clip engine breather eicher bsiii/iv, hose engine breather ei

CTN :43483064

22 Jan, 2026 9.94 Lacs

Malappuram - Kerala

Tender For rate contract for orthopaedic items - ortho items, abduction ladder, actiivty mat - 6ft x 3ft x 2", activity chair with lock large, activity door latch board, activity prone board with strap and hand placement, activity table, activity zip hook board, adjustable crawler, agility ladder, ankle exerciser, balance beam, balance board, ball pool with balls, basket ball set ped, blue screen visual, circular gym, corner sitting activity frame, corner station, disc swing, dumb bells (set), equipment trolley, exercise band set, eye hand coordination set, fine skill training set, flexy mirror set, grip exerciser, gymnic roll, ift, infinity mirror, kneel stand assister, laptop, low height activity cushion, low height therapy couch detachable, maze board, memory training puzzle set, milestone trainer, mirror wall mounting, multi activity board wall mounting, multy gym, muscle stimulator, music system, orbitrac, parallel bar -pediatric, pediatric climber multy task, pediatric standing frame ms, peg board graded round, peg board perdue, physio ball set of 2, physio table, puzzle set, pyramid cycle, quadriceps table, rain wheel rotation frame, resistance tube set, rock n wall board, sensory integration therapy ball, sensory walk path, shoulder pulley, shoulder wheel, soft block cube set, soft den with steps, soft foam roll activity set, soft mat eva foam, soft mat eva foam ot room, soft sea saw, soft wall panelling, special chair for disabled ms, special chair for disabled small, speech mirror, speech therapy chair student, speech therapy chair low height (therapist), stability trainer, standing frame with side support, stepper, supination & pronator, tens, texture board, tilt table manual type, treadmill heavy duty, tunnel crawling, twister, ultra sound massager, vertical climber, vertical positioning bar with frame, visual stimulation kit, walker adjustable, wall climber, water purifier, wedge set-(sml), weight cuff set, wheel chair, wrist circumductor, wrist rotary machine, ankle exersizer, auxilary crunches, commod chair, cp chair, elbow crutches, hand exercise, hinged knee brace, hs belt size, knee cap, ls belt size, mr kit, open patella knee cap, respiromentry for chest physio, standing frame, static cycle, stockinettle, therapy bed, therapy mat, tripode walking stick, tylors brace, walker, wheel chair with commode, wheelchair foldable

CTN :43181343

13 Jan, 2026 NA

Darjeeling - West Bengal

Tender For bid to ras bid to ras supply of spare parts e e--avx 12 1165 sml truck bs iv , belt compressor b 54 sml truck bs iv , belt v pump p stg sml truck bs iv , idler pulley assy sml truck bs iv , drain valve sml truck bs iv , element fuel filter paper coil insert sml truck bs iv , micro super filter sml truck bs iv , fuel filter assembly f002h25019 w o fts sml truck bs iv , hose fuel rtn 1030mm sml truck bs iv , clip hose sml truck bs iv , fastener sml truck bs iv , gasket cylinder head sml truck bs iv , sensor rail sensor sml truck bs iv , fuel return line euro 4 sml truck bs iv , water pump assembly sml truck bs iv , element secondary bs1v air clean sml truck bs iv , element primary bs iv air cleaner sml truck bs iv , cartridge oill filter long life sml truck bs iv , filter by pass long life sml truck bs iv , cylinder tandem master sml truck bs iv , primary element air cleaner sml truck bs iv , secondary element air cleaner sml truck bs iv , filter element donaldson sml truck bs iv , belt fan avx 13 1130 sml truck , clutch plate tata 712 bs iii , clutch cover tata 712 bs iii , oil filter tata 712 bs iii , clutch release bearing tata 712 bs iii , v belt logged complete set tata 712 bs iii , brake lather front and rear with revit complete set tata 712 bs iii , tie end rod set rh tata 712 bs iii , tie end rod set lh tata 712 bs iii , brake adjuster normal slick front and rear tata 712 bs iii , front hub oil seal front and rear tata 712 bs iii , uj cross tata 712 bs iii , clutch plate bs iv mat424129k2f08899 tata 1212 , pressure plate with release bearing tata 1212 , fly wheel assembly tata 1212 , fly wheel bearing tata 1212 , u j cross tata 1212 , break lining rear with revit tata 1212 , break lining front with revit tata 1212 , clutch cylinder upper tata 1212 , clutch cylinder lower tata 1212 , fan belt tata 1212 , fan belt tensioner tata 1212 , thermostat valve tata 1212 , self starter assembly tata 1212 , front axle oil seal 50 65 10 tata 1212 , front hub oil seal tata 1212 , rear hub oil seal inner tata 1212 , rear hub oil seal outer tata 1212 , 4x4 gear oil seal tata 1212 , king pin set upper tata 1212 , king pin set lower tata 1212 , king pin bearing lower tata 1212 , king pin bearing thrust tata 1212 , king pin bearing thrust washer tata 1212 , king pin shim tata 1212 , 60 no gear box lever housing with boot rubber tata 1212 , oil filter tata 1212 , water separator tata 1212 , fuel filter tata 1212 , air filter set tata 1212 , fuel filter 0239 tata 1613 712 407 , rear hub check nut tata 1212 , front hub check nut tata 1212 , front hub check nut lock washer tata 1212 , fuel main pipe tank to water separator filter tata 1212 , water separator to fuel filter pipe tata 1212 , fuel water separator assembly tata 1212 , fuel water separator head primer pump tata 1212 , wiper motor tata 1212 , brake buster assembly rear tata 1212 , brake pipe front lh and rh tata 1212 , brake pipe rear lh and rh tata 1212 , slack adjuster front lh tata 1212 , slack adjuster front rh tata 1212 , slack adjuster rear lh tata 1212 , slack adjuster rear rh tata 1212 , tie rod end tata 1212 , head light assembly lh tata 1212 , head light assembly rh tata 1212 , back gear switch tata 1212 , wiper blade tata 1212 , steering oil filter tata 1212 , side mirror rh and lh tata 1212 , nidle bearing tata 1212 , oil filter 1613 bus , tank //bid details2 / 104to water separator pipe tata 1613 , fuel filter tata 1613 bus , drak link assembly tata 1212 , upper hose engine to radiator tata 1212 , pipe radiator to bottom to engine tata 1212 , engine to radiator tank top tata 1212 , door glass regulator tata 1212 , clutch plate tata bs vi , pressure plate with release bearing tata bs vi , air filter primary and secondary set tata bs vi , reverse gear switch tata bs vi , wiper blade tata bs vi , oil filter tata bs vi , water pump tata bs vi , oil filter tata bs iii , fuel filter tata bs iii , fuel water separator tata bs iii , wiper motor tata bs iii , air filter primary a