Latest back up ring Tenders | Government back up ring Tenders

Central Government And Public Sector

CTN :45085454

15 May, 2026 NA

Kalpakkam - Tamil Nadu

Tender For supply of item - 1 - oil seal part no - ac 22 and 23 moc-rubber , item - 2 - o ring part no - ac 24 moc-rubber , item - 3 - gasket for impeller sleeve part no -ac 28 moc- teflon , item - 4 - gasket for impeller nut part no - ac 27 moc-teflon , item - 5 - double mechanical seal assembly - catridge type . , item - 6 - casing part no - ac 1 moc-cf8m , item - 7 - impeller part no - ac 2 moc- cf8m , item - 8 - shaft part no - ac 5 moc-ss316 , item - 9 - sleeve part no - ac 6 moc-ss316 , item - 10 - casing gasket part no - ac 26 moc-teflon , item - 11 - bearing cap gasket part no - ac 29 moc-caf9 , item - 12 - stuffing box ,moc - cf8m , item - 13 - gland sleeve, moc - ss316 , item - 14 - pump coupling , ms tyre coupling

CTN :45088050

26 May, 2026 NA

Nadia - West Bengal

Tender For supply of below knee prosthetic kit , above knee prosthetic kit , sach foot 25 left , sach foot 25 right , sach foot 24 left , sach foot 24 right , sach foot 26 left , sach foot 26 right , sach foot 23 right , sach foot 23 left , orthoflex pp sheet 15 mm , orthoflex pp sheet 12 mm , pe lite sheet 8 mm , plastazote sheet 10mm , nylon stockinette 120mm , cotton stockinette 120mm , cotton stockinette 240mm , glass fibre fabric , carbon fibre fabric , epoxy resin , hardener , thinner , colour pigment , perlon sleeve 80mm , perlon sleeve 100mm , pva bag for bk , pva bag for ak , cling film , velcro hook and loop 2 inch , velcro hook and loop 1.5 inch , velcro hook and loop 1 inch , nylon webbing 2 inch , nylon webbing 1and half inch , nylon webbing 1 inch , press button long , press button small , d ring size 2 inch 50pcs , copper rivet 1 by 8 inch , copper rivet 5 by 32 inch , aluminium rivet 1 by 8 inch , aluminium rivet 5 by 32 inch , tube grip 120mm , zigsaw blade , copying pencil , drill bit 1 by 8 inches , drill bit 5 by 32 inches , drill bit set , sanding drum , sanding sleeve , rasp head , rubber bowl , rubber bowl large , spatula , bk sleeve suspension , bk muley strap suspension , ak tes suspension belt right , ak tes suspension belt left , prosthetic button , cowhide leather , locktite , talcom powder , teflon sheet , pyramidal drapping socket adapter , be mechanical prosthetic kit , ae mechanical prosthetic kit , drop lock orthotic knee joint with bar and knee cap size 3 , drop lock orthotic knee joint with bar and knee cap size 2 , drop lock orthotic knee joint with bar and knee cap size 1 , spandan orthotic ankle joint , tamarc orthotic ankle joint , colouring paper sheet , foot impression block , bk cosmetic foam cover , ak foam cover with stockings , banion cloth , aluminium strip 3 cm , aluminium strip 2 cm ) /bid number : gem/2026/b/7365323 * /dated: 05-05-2026 & & / bid document 1 / 54

CTN :45090802

20 May, 2026 NA

Saran - Bihar

Tender For supply of wafer-type butterfly valve - round flange, size - 100 nb, end connection - wafer type, application - oil line, body material - cast iron, dimensional details (all dimensions are in mm):- flange outer dia. (od) - 215, seat outer dia. (od) - 105 pcd (pitch circle diameter) - 180, sealing dia. - 95, mounting hole centre to centre distance - 145 hole dia. - 18, no. of holes - 4 bolt holes positioning - 90 degree spacingdisc dia. - 136, face to face thickness - 95 liner thickness - 3, total valve body thickness - 40 valve body inner portion thickness - 16 shaft centre spacing/mounting gap - 75 overall height of valve - 242, material of construction:- cap bolt (m8) - stainless steel/ mild steel, cap - aluminium, locking pin - mild steel, washer - teflon, thrust nut - mild steel, o ring - nitrile rubber, top pin - mild steel, rivet - mild steel, disc - mild steel, bottom pin - mild steel, valve body - cast iron, stop pin - mild steel. required make :- petson or similar [ warranty period: 30 months after the date of delivery ]

CTN :45063551

12 May, 2026 NA

Tiruvallur - Tamil Nadu

Tender For supply of spares required for mug compressors - locking spring , p/n 2348.1040.070 , ring , metallic gasket , 2428.1249.000 , locking plate , p no 2231.1271.000 , ring , metallic gasket , 2428.1561.000 , gasket , p/no. 2426.1499.000 , metallic gasket ring , 2428.1229.000 , ring , back-up , 2427.1791.000 , o-ring , 2430.1111.020 , rod , piston , p/n 2654.8228.050 , ring , metallic gasket , 2428.1500.000 , gasket , p/no. 2426.2040.000 , o-ring , 2430.1416.010 , back-up ring , p/no. 2427.1623.000 , locking spring , p/n 2348.1040.520 , gasket , p/no. 2426.1750.000 , metallic gasket ring , 2428.1347.000 , pump element , p/no. 2570.5000.000 , bearing metal , 2582.8200.000 (2p 1set) , locking plate , p/n-2231.1243.000 , split pinp/n-1410.1612.500pos no11 , split pin p/n 1410.0803.500 , locking plate , p/n-2231.1248.000 , pos no18 , circlip , p/n-1061.5016.000 , lock nut , p/n 2162.1033.000 , bushing , crosshead pin , 2272.1032.000 , gasket , p/no. 2426.1570.000 , locking plate , p no 2231.1242.000 , washer , lock ext.t 1478.2600.400 , socket head cap screw , 1525.0401.950 , stud , unc , p/no. 1501.0603.500 , special stud , p/no. 2178.1399.000 , set screw p no 1535.0806.300 , special bolt , p/n-2183.1751.000 , stud , p/no. 1503.1015.040 , gasket , 2426.1565.000 , gasket , p/n-2426.1829.000 , pos no-21 , locking plate , p/no. 2231.1193.000 , retainer ring , p/no. 2227.0005.000 , locking spring , p/no. 2270.0030.060 , shim , p/no. 2232.2412.000 , dowel pin , p/no. 1416.4002.800 , cup washer , p/no. 2227.1502.040 , centre ring , p/no. 2662.1014.020 , modi stuf box , stg-3 , p no 2269.1986.000 , modi stuf box inter , stg3 , p 2269.1986.010

CTN :45058043

22 May, 2026 NA

Palwal - Haryana

Tender For supply of miscellaneous consumables at piyala lpg plant - ptfe teflon tape used in self closing valves of lpg cylinders, cap lot valve, outer o ring lot valve, round inner o ring lot valve, nylon thread used in safety cap repair, hand gloves cotton

CTN :44971206

09 May, 2026 NA

Visakhapatnam - Andhra Pradesh

Tender For corrigendum : tender for supply of loctite 542(50cc) , valve spring(for inlet system) , pressure transmitter 0-4 bar type no mbs 5100-1611-1db04 , pressure switch type no mbc 5100-2231-1db04 , cpu di 32 do 16 , ai8 , a04 , temprature transmitter type no-mbt 5410-000-060-000-g110 , gas sealing ring(under cylinder head) , o-ring i.d.129.54 w.5.33 , inlet valve , nozzle(injector) , joint washer , ring , d series metalastick , loctite 243(50cc) , loctite 243(50cc) , circuit braker 2p 2a , circuit breaker 2p-4a , circuit breaker 2p-6a , actuator , back-up ring , controller , pressure control valve , filter cartridge , filter paper , filter cartridge line(for lubricating oil filter) , o-ring , pre heater 4.5 kw 3 415 v , air damper solenoid valves , door limit switch , nde ball bearing skf nu 328 , automanual start switch 3 pos , c02 discharge nozzle with horn , engine display unit , stop solenoid 1 , control module , hooter accept card , relay card for 6 relay , aux relay 2 pol 24vdc led+sp , gt -2511- h2s sensor (with transmitter) , mpcb3 pol 2.5-4a , mpcb 3 pol 6-10 a , fil ter bag , pressure transmitter 0-1bar , pressure transmitter 0-25 bar , pressure transmitter 0-40 bar , temprature sensor , power supply module , dg fw cooler tube stack , photo electronic smoke detector withbase & wiring box , exhaust gas temperature sensor , push button 1 no , auto/man mode key , emergency stop

corporations/Associations/Others

CTN :44915413

07 May, 2026 1.84 Lacs

Sonbhadra - Uttar Pradesh

Tender For corrigendum : supply of m seal , teflon tape , pidilite holdite , nave seizes , anabond c666 , anabond 610 , oil seal 28x47x7 , o ring for pressure cooker size for pa fan housing , synthetic rubber star of lop of pa fan , molykote hp , wd 40 420ml pack , oil seal 25x35x07 , oil seal 25x40x7 , oil seal 55x75x9 nitrile rubber , oil seal 75x95x13 nitrile rubber , oil seal 28x47x7 nitrile rubber , oil seal 40x52x7 nitrile rubber , hot air gate cylinder seal

Central Government / Public Sector

CTN :45013966

20 May, 2026 NA

Kazipet - Telangana

Tender For supply of set of spares for transformer oil filtration plant. set consists of 04 items as follows: 1)nitrile polymer rubber o ring compound as per group c of 3.2.4.1 to irs.r 48/88 or astm d2000 / is 3400 dimensions :od-26mm,id-16mm,thickness -5mm; qty: 100 nos. 2) nitrile polymer rubber cord dia 4mm compound as per group c of 3.2.4.1 to irs.r 48/88, or astm d2000 / is 3400; qty: 10 meters. 3) nitrile polymer rubber cord dia 8mm compound as per group c of 3.2.4.1 to irs.r 48/88,or astm d2000 / is 3400; qty: 10 meters. 4) teflon washer made of virgin ptfe,conforming to astm d4894 / astm d4895 is 13708,suitable for transformer oil,temperature range -200 degree centigrade to +260 degree centigrade, excellent electrical insulation and chemical resistance. as per dimensions :inner dia-7mm,outer dia -14mm,thickness -3mm; qty:200 nos. [ warranty period: 24 months after the date of delivery ]

Central Government And Public Sector

CTN :45056841

02 Jun, 2026 NA

Malda - West Bengal

Tender For supply of kit - repair drain valve. to emd pt no - 40029185,consist of 10 items - 1) seal..o- ring ,emd-8315964= 1 no. (2) seal.. o -ring emd -8242194=1 no.. (3) seal.. o ring,emd-8315965=1 no. (4) seal .. o ring ,emd- 8156971=1 no. (5) seat.. valve-teflon,emd-8294563=2nos. (6) spacer.. valve seat, emd-8351985 = 1 no. (7) washer.. valve seat,emd -8351984 =1 no. (8) seal .. o-ring strainer plug,emd-8156967=1 no. (9) seal.. o-ring,emd -8316528=1 no. (10) seat.. valve-teflon,emd-8294563=2 nos. [ warranty period: 30 months after the date of delivery ]

CTN :45044684

11 May, 2026 NA

Visakhapatnam - Andhra Pradesh

Tender For tender for supply of filter cartridge line(for lubricating oil filter) , air damper solenoid valves , photo electronic smoke detector withbase & wiring box , gas sealing ring(under cylinder head) , fil ter bag , stop solenoid 1 , c02 discharge nozzle with horn , o-ring i.d.129.54 w.5.33 , filter cartridge , inlet valve , ring , nozzle(injector) , pressure control valve , back-up ring

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