Fresh air filter for lhb rmpu, with aluminium frame of size 495 mm [l] x 260 mm [w] x 12.5 mm [t], conforming to rdso specification no. rdso/pe/spec/ac/0055-2003 (rev-2) and as per rdso drawing no. rdso/pe/sk/ac/0074-2004 (rev-1), suitable for use in lhb variant rmpu type ac coaches.

Primary spring inner for chair car of fiat bogies to fiat sig drg. no 1267412.ver.05r1 confirming to rdso specn. no. rdso/2017/cg-01(rev. 3).

Nonwoven disc filter bags for gf-1/2 filter as per drg. no. nalco/p&d/m-190/,non-woven disc filter bag for dorr-oliver filter as per drawing nalco/oprn/3027/rev-1,non woven disc filter bags for bokela filters as per drawing no. nalco/oprn/62/rev-0,nonwoven disc filter bag gf-4 filter as per drawing no-nalco/opr/5739/rev-0

3 phase induction blower motor, suitable for use in lhb type rmpu ac coaches, as per rdso specification no. rdso/pe/spec/ac/0089-2008 (rev.-0) with amendment no. 1 & 2

Led light fitting of type-a (18w) suitable for ac 3 tier coach built by rcf as per rcf drawing no.cc76452 and conforming to rdso specn. no. rdso/pe/spec/tl/0091-2016 (rev 1).

Pressure measuring rotary switch, as per part no sr-075 -1050 of m/s sidwal & type n4s29d/gb of kaycee make or equivalent to this of ge & salzer make only, as per sr no. 36 of bill of material (bom) of rdso specification no. rdso/pe/spec/ac/0061-2005(rev-1), suitable for use in rmpu type lhb ac coaches & conforming to rdso specification no. rdso/pe/spec/ac/0061-2005 (rev-1). accepted make: kaycee, salzar , ge , or any other rdso approved make.

Feeder contactor, current rating 200 amps, voltage rating 750v ac main pole : 4 nos, aux contact : 2no +2nc, control voltage 380-415v ac with surge suppressor for net-1 & net-2 in sbc of double decker coaches confirming to item no 57& 58 of bom of rdso specification no rdso/pe/spec/0184-2015(rev-2)

Heatless regenerative twin tower air dry [heatless regenerative twin tower air dryer with final filter for wag7/wap4 electric locomotives as per rdso specification no. mp.0.01.00.06 (rev. 06) march 2021 and conforming to rdso str no. mp.str.bk.01.06.11 (rev.01) march. 2021.]

Nylon 66 bush for suspension of 25 kw, of size dia70x dia 58x100 for 110 v dc brushless alternator conforming to item-1 of rdso drg. no. rdso/pe/sk/tl/0086-2014 (rev2) - alteration no.1 and material conforming to specn no. rdso/pe/spec/ac/0006- 2009 (rev.1). however, the firms may quote for latest specification/drawing with amendment if any issued by rdso/icf/rcf/mcf.

Dynamic braking resistance (vertical) [dynamic braking resistance (vertical) fitted with ac mvrf for elec. loco as per rdso specn. no. elrs/spec/dbr/0028 (rev 0) of sep-2003 with amendment no.3 or latest.]