V-deep groove alternator pulley for 25 kw brushless alternator conforming to rdso s specification no. elps/spec/tl/13 march 1998 and rdso drg. no.skel-3645 (rev.-4)-2014. make/brand : as per bill of material of rdso specification no. rdso/pe/spec/ac/0056-2014(rev.1)

Supply of underground armoured, unscreened, railway signalling cable, pvc insulated, copper conductor confirming to specification no. irs:63/2014 (rev.4.0) or latest amendment of size: 12 core x 1.5 sq mm. (specification attached)

Terminal board assembly common for 25 kw/4.5 kw alternator as per rdso drg. no. rdso/pe/sk/ac/0047-2003 (rev-4), conforming to rdso specification no. rdso/pe/spec/ac/0056-2014 (rev-1).

Four v-deep groove alternator pulley for 4.5 kw brushless alternator as per rdso drg. no. skel-3882 (rev-2) 2014 & conforming to rdso specification no. elps/spec/tl/13 march-1998.

Hydraulic sleeper spacer as per rdso sp hydraulic sleeper spacer as per rdso specification no.tm/sm/17 dt. 31.03.1992 rev. 02 of 2022 or latest.

Set of vrla battery 110v,70ah consisting of 9 modules of 12v each, suitable for lhb type ac,non-ac coaches as per rdso specification no.rdso/pe/spec/ac/0009- 2014 (rev.2).

Magnetic amplifier for 25 kw rectifier regulator unit make-m/s hmtd, part no.c-25020 or equivalent, confirming to rdso specification no. rdso/pe/spec/ac/0056-2014 (rev- percent u20181 percent u2019).

110v/120ah capacity valve regulated lead acid batteries for tl coaches in sets of 19 modules [6 volts per module], in charged condition, with inter cell connector as per rdso specification no. rdso/pe/spec/ac/0009-2014 [rev-2]. note: this item is reserved for procurement from rdso approved sources only.(pl closed pl no:45178460/43-1129) specn: as per rdso specification no. rdso/pe/spec/ac/0009-2014 [rev-2].

Supply of underground , armoured, unscreened , railway signalling cable pvc insulated copper conductor confirming to spec. no. irs:63/2014 rev. 4.0 or latest amendment of size 12 core x 1.5 sq. mm. (specification attached)

Set of valve regulator lead acid (vrla) batteries 110/120ah capacity (19 monoblocks of 6v each) in charged condition, with inter cell connectors and standard accessories as per rdso specification no rdso/pe/spec/ac/0009-2014 (rev-2) or latest.