Latest back up ring Tenders | Government back up ring Tenders

CTN :45512348

17 Jul, 2026 NA

Ernakulam - Kerala

Tender For supply of o ring v p s , o ring plunger retainer , o ring drain plug , back up ring , gasket plunger retainer , o ring , o ring valve plug , o ring , o ring , o ring valve seat , washer split lock , o ring , o ring spacer , pump shaft with pos 15 16 , o ring gasket oil gauge , oil seal crankshaft , oil seal crank case , low pressure seal , valve plug 70kg , impeller , o ring drain plug , o ring valve seat , gasket , spacer ring , spacer ring , o ring , gasket , valve , valve seat stepped , backup ring valve seat , retainer valve spring , hex head bolts , socket head cap screw , hex nut , circlip , nut , bolt nut , o ring hydraulic disc , o ring , o ring

CTN :45399907

19 Jun, 2026 27.98 Lacs

Ganganagar - Rajasthan

Tender For corrigendum : supply of hydraulic spares of side arm chargers and wagon tipplers at chp, sstps, suratgarh - d.c.valve:4we6d6x/eg24n9k4 with solenoid &connecter or equivalent, d.c.valve:4we6y6x/eg24n9z4 with solenoid &connecter or, equivalent, hose pipe dko12s l=1200mm one side 90 bend, fittingstraight, connector : 12sr x ½" port connection size : g 3/8", hose pipe dko 38 sx 1000 mm, r13 with end fittings, hose pipe dko 12s x500mm,, one side 90 deg. with end, fittings, hose pipe dko 12sx 900mm,, one side 90 deg. with end, fittings, hose pipe dko 12s l=900mm, one side 90 deg. bend with,, fitting- straight connector : 25, sr x 1" port connection size, :19 dia, hose for sac :, hose pipe dko 12s l=500mm, one side 90 deg. bend with end, fittings, hyd. hose din 20022/en 853-2sn dn 40 i.d. 1.1/2'' w.p. 90, bar/1300 psi exceeds sae 100, r2 at l-6 mtr., hyd. hose sae 100 r1 at-10- i.d. - 5/8" l-6 mtr. working, pressure 350 bar/5100 psi, hyd. hose din 20022/en 853-2sn dn 20 i.d. 3/4'' w.p. 215, bar/3100 psi exceeds sae 100 r2 at l-1.6 mtr., hyd. hose din 20022/en 853-2sn dn 8 i.d. 5/16'' w.p. 350, bar/5100 psi exceeds sae 100 r2 at l-1.6 mtr., sae 100 r13-20 or eq. id 1-1/4'' with std end assy. on one, end m52x2 fs'o' ring type straight and other end with, m52x2 fs'o' ring type 90 degree swept elbow suitable, for 345 bar working pressue l-1.5 mtr., sae 100 r1a-10 or eq. id 16 mm with std end assy. on, both ends having stand pipe of 18mm od x 30 mm long, suitable for working pressure 130 bar l-1.5 mtr., sae 100 r13-12 or eq. id 19 mm with std end assy. on, one end m36x2 fs'o' ring type straight and other end, with m36x2 fs'o' ring type 90 degree swept elbow, suitable for 345 bar w.p. l-1.5 mtr, sae 100 r1a-06 or eq. id 10 mm with std end assy. on, both ends having stand pipe of 12 mm od x 30 mm long, suitable for w.p. 180 bar l-1.5 mtr, hose: din 20022/en-853-2sn dn 19 id-3/4'' (19.0 mm) w.p., 3100 psi/215 bar (21.5 mpa) sae 100 r2 at length = 1 mtr, hose: din 20022/en-853-2sn dn 19 id-3/4'' (19.0 mm) w.p., 420 bar (42 mpa) sae 100 r2 at length = 1 mtr, hose: din 20022/en-853-2sn id-5/16'' (7.9 mm) w.p. 5100, psi/350 bar (35 mpa) sae 100 r2 at length = 1 mtr, d.c. valve :4we6j 6x/e g24 n9z4 with solenoid & connector, or equivalent, check valve :z2s6-1-6x or equivalent, dbl. throttle/check vlv:z2fs 6-2-4x/2qv or equivalent, d.c. valve :4we6d 6x/e g24 n9z4 with solenoid & connector, or equivalent, filter element: 0030d010bn4hc, filter element: 0160d010bn4hc, filter element: 0330r010p, cylinder for charger uncouple 40x20x220 mm, cylinder for arm delatching 40x20x60 mm, complete seal kit consisting of piston seal, rod seal, wiper seal,, o-ring, back-up ring 140 mm dia bore x 80 mm dia piston rod x, 1400 mm stroke hydraulic cylinder(type 0627658), return line filter element type- cfr-250-12-10, manifold block: c-sk-2639-a1 or equivalent, return line filter element type- cfr-630-20-25-g, throttle cum check valve drv7-16-532-00 or equivalent, relief valve : r4v06-001-10a1 or equivalent, pilot operated check valve: c4v06-0g3-4b1 or equivalent, throttle valve dv7-16-532-00 or equivalent, dc valve part no. 4we6d or equivalent, shut off valve part no. khbg-1/4''-1-1-1-2 or equivalent, d.c. valve 4we6j with solenoid coil (double)and connector or, equivalent, pressure control pilot: mcv116g4201 or equivalent, pressure switch ips-14-100 or equivalent, shuttle valve sl06-s10 or equivalent, double throttle cum check valve zrd-05-ab-0 or equivalent, relief valve part no.r4v06-561-10a1 or equivalent, relief valve part no. r4v03-591-10a1 or equivalent, check valve part no.c4v06-560-4b1 or equivalent, shuttle valve part no. sl-06-t02-10 or equivalent, inline throttle check valve part no.drv-6 or equivalent, throttle/check valve part no.-z-2f-s6-30 or equivalent, dc valve :3d02-34-207-03-02-00a1-07-07327 or equivalent, dc valve: 3d06-35-b01-03-03-24b1-07538 or equivalent, relief valve : ng6-50 bar or equivalent, suction strainer: sc2-100 or eq

State Government

CTN :44491922

16 Jun, 2026 95.87 Lacs

Anuppur - Madhya Pradesh

Tender For corrigendum : work contract for overhauling and repair/refurbishment of boiler feed pump cartridge (model fk6d30 weir make) along with supply of spares for bfp of 210 mw unit atps chachai. - impeller wear ring (eye) (1 set = 1+5 nos.) , ring section wear ring (1 set = 1+5 nos.) , impeller wear ring (neck) (1 set = 5 nos.) , diffuser wear ring (eye) (1 set = 5 nos) , thrust pads (1 set = 16 nos.) , balance drum , balance drum nut , balance drum lock washer , journal bearing glacier type de (1 set = 2 halves) , journal bearing glacier type nde (1 set = 2 halves) , o rings & back up ring , balance drum restriction bush size - 194mm , locking screws , thrust collar nut & washer , oil guard (1 set = 3 nos.) of & you , oil thrower (1 set = 3 nos.) the & then , mechanical seal complete for de & nde (make-flowserve) , copper coated gasket , set of fasteners , air breather (1set= 2 nos) , coupling nut , spring disc , thrust bearing split oil seal , thrust collar , stellite bush , dowell pin , impeller abutment ring (1 set = 5 nos.) , impeller (1 set=6 impellers) , thrust pad carrier ring for de & nde , diffuser (1 set 6 diffusers) , ring section (1set=5nos) , pump shaft keys & nuts , inboard bearing housing , outboard bearing housing , water jacket for the & you (1set=2 pcs) , suction guide seal housing with plugs de & nde (1set=2

Central Government And Public Sector

CTN :45197725

12 Jun, 2026 NA

Kaiga - Karnataka

Tender For corrigendum : supply of o-rings- epr - 29.87 x 1.78 , back up ring -epr-29.87 x 1.78 , o-ring -epr 6.07 x 1.78 , back up ring -epr-6.07 x 1.78 , o-ring-epr - 12.37 x 2.62 , o-rings-epr - 31.67 x 2.62

Central Government/Public Sector

CTN :45415364

10 Jun, 2026 NA

Visakhapatnam - Andhra Pradesh

Tender For procurement of bfp recircuation valve spares installed in stage 1 unitsof korba - lower cage assy,37b9440x022,fisher, upper cage assy,48b1295x012,fisher, plug&stem assy,48b1299x032,fisher,cav-iv, bonnet gasket,26a5322x012,fisher,cav-iv, cage gasket,17b9382x012,fisher,4in, seal ring,16a1968x032,fisher,cav-iv,4in, back up ring,16a1967x022,fisher,cav-iv, retaining ring,48b1299x032,fisher,cav-iv, packing set,rpackx00032,fisher,cav-iv, seat ring,27b6291x012,fisher,cav-iv, anti-extrusion ring,27b1174x012,fisher, gasket,17b9381x012,fisher,cav-iv

Central Government/Public Sector

CTN :45373438

09 Jun, 2026 NA

Multi City - Multi State

Tender For supply of spherical bearing part no stdc003036 , spherical bearing part no eea0015102 , lift cylender part no 811b050000138 811b050000198 , seal kit part no eea0020978 , piston part no eea0021741 , piston part no eea0021737 , sprocket part no 625c000003249 , hydraulic motor conveyor part no 811a050000151 , sprocket part no 811b060000150 , flight bar and link assly part no 811m100000425 , seal kit part no eea0020815 , drive line middle part no 811b050000128 , brake valve part no 811b050000150 , kit drive plate part no eea0010872 , brake disc part no eea0015470 , metric bush part no mbh150170140a , back up ring part no eea0021738 , back up ring part no 12wl4189654a , cable real valve assy part no 250c050000011 , cable steering valve part no 412a000000228 , seal kit relief valve part no eea0009001 , relief valve part no eea0009580 , steering valve assy part no 811m000002017 , sequence valve part no 912b050000127 , relief valve part no eea0004511 , seal kit part no eea0015174 , o ring part no eea0015378 , o ring part no eea0015447 , o ring part no eea0015479 , spring part no eea0015480 , o ring part no eea0015456 , o ring part no eea0015473 , o ring part no eea0015477 , cartridge part no eea0019876 , relife valve part no eea0017448 , seal kit part no eea0019109 , seal kit for accumlator 1 litter part no eea0019110 , seal kit part no eea0020991 , seal kit part no eea0020994 , unloading valve sequence valve part no 625a000003070 , service valve part no 811b050000165 , seal kit part no eea0020966 , planet gear part no eea0021721 , shaft seal part no eea0005646 , half shaft part no eea0015423 , seal part no eea0015443 , brake disc part no eea0015464 , transmission repair kit for lhd part no eea0018039 , ring gear part no eea0021729 , brake disc part no eea0021745 , snap ring part no eea0021720 , wheel stud part no eea0015419 , wheel nut part no eea0015421 , back up spring part no eea0015472 , piston part no eea0015474 , wheel cylinder part no eea0015481 , planet gear part no eea0015434 , drive line rear part no 811b050000130 , spider assy part no 811m100000417 , counter balance valve part no eea0020817 , flp push botton station eeelpart no 625b040000275 , seal kit marked item part no eea0020994 , seal kit marked item part no eea0020978 , ava with isp unit part no 625b040000252 , seal kit part no eea0020988 , pusher part no eea0015457 , led lamp for head light 7w 12v part no eea0030279 , relief cartridge part no eea0008997 , plug part no eea0015455 , piston part no eea0015446

Central Government/Public Sector

CTN :45218785

29 May, 2026 NA

Korba - Chhattisgarh

Tender For corrigendum : procurement of spares for stage i bfp main pump fk8d30 for ntpc korba - o-ring,136,bhel,pump,fk8d30, back up ring,146,bhel,fk8d30, o-ring,174,bhel,pump,fk8d30, journal bearing,258,bhel,fk8d30, thrust bearing,281,bhel,fk8d30

CTN :45063551

28 May, 2026 NA

Tiruvallur - Tamil Nadu

Tender For corrigendum : 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

Central Government/Public Sector

CTN :45034426

28 May, 2026 NA

Bangalore - Karnataka

Tender For corrigendum : tender for supply of electrical bois 44 types retender 2402 2403 -lenscap , lens cap , lens cap for indicators , connector along with backshell , connector , connector , receptacle , receptacle , receptacle , connector , connector , connector , connector , connectors , connectors , mating connector , connector , connector , connector , connector , connector , mating connector , askid brake m connector , data bus coupler , cat 5 -t-p cable- , relay socket , cable , 20 awg s-c u-s lt wt cable , 22 awg , cable , 22 awg sh , 22 awg t-p , contacts , relay , relay , relay , backshell , back shell , backshell , back shell , ring tongue terminals , ring tongue terminals , cat 6 ethernet cable , relay

CTN :45228400

08 Jun, 2026 56.64 Lacs

Murshidabad - West Bengal

Tender For procurement of spares for boiler feed pump - procurement of procurement of spares for boiler feed pump, balancing drum-bfp-fk4e36 for boiler feed pump, bush,balancing drum,bfp fk4e36 for bhel mdbfp fk4e36 babcock, thrust collar,bfp,fk4e36 for boiler feed pump fk4e36, nut thrust collar, bfp-fk4e36 for boiler feed pump of 500mw part no-32 , pump drg. no-hy-dg-373-139-a009, washer thrust collar, bfp-fk4e36 for boiler feed pump of 500mw ,part no-46 , pump drg. no-hy-dg-373-139-a009, nut balance drum, bfp-fk4e36 for boiler feed pump of 500mw ,part no-31, , drg. no-hy-dg-373-139-a009, washer balance drum, bfp-fk4e36 for boiler feed pump of 500mw ,part no-45 , , pump drg. no-hy-dg-373-139-a009, pistong ring set for rh stub, bfp-fk4e36 for boiler feed pump of 500mw ,part no-38, pump drg. no-hy-dg-373-139-a017, 1 set- 02 nos., ring (back up ring) ( pos no-55, pump model-bfp-fk4e36, pump drg. no-hy-dg-373-139-a017, moc-teflon, approx dim: id69.5xod75.5x1.2 thicklon-id69.5xod75.5x1.2 thick ), back up ring of o-ring ( pos no-56, pump model-bfp-fk4e36, pump drg. no-hy-dg-373-139-a017, moc-teflon, approx. dim:id532.2xod544.3x1.3 thick ), bolt discharge cover, bfp-fk4e36 for boiler feed pump of 500mw , part no-3,, , pump drg. no-hy-dg-373-139-a009, nut for discharge cover bolt,bfp-fk4e36 for boiler feed pump of 500mw , part no-34, , pump drg. no-hy-dg-373-139-a009 ( size-m68 ), mechanical seal, comp.assy-de-bfp-fk4e36 eagleburgmann along with sleeve & gland plate in cartridge arrangement. for driving end of md & tdbfp, drg. no-shf3/162-e1 ( make-eagleburgmann ), mechanical seal comp.assy,nde-bfp-fk4e36 eagleburgmann along with sleeve & gland plate in cartridge arrangement. for non-driving end of md & tdbfp, drg. no-shf2/135-e5, ( make-eagleburgmann ), copper coated gasket for boiler fee bhel-weir bhel drawing no. hy-dg-230-139-0020 ( size-od585.5xid546x3mm thick, pos no-10, drg.no-hy-dg-373-139-a009/a010, moc-ms/cu, )

Back Up Ring Tenders

By Cities

By States

By Agencies

By Ownerships

By Sectors

State Government

Central Government And Public Sector

Central Government/Public Sector

Central Government/Public Sector

Central Government/Public Sector

Central Government/Public Sector