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.

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.

Led light fitting for toilet indication in lhb ac coaches, type-h1 (1w), as per rcf drawing no. lw76097 with alteration a, and conforming to rdso specification no. rdso/pe/spec/tl/0091-2016 (rev-1) and rcf annexure - 1, 2 & 3.

Secondary vertical damper for non ac coaches with fiat bogie to rdso s drg. no. rdso/cg/drg/21018, alt no.-3 and rdso s specn. no.rdso/cg-18005, rev. 2 with amendment no.1.of october 2025.

Supply of set of tube clamps for speed ssupply of set of tube clamps for speed sensors in lhb coaches as follows 1) tube clamp for nw23 conduit with m6 fixing hole ( 25 mm internal diameter ) as per rdso specn.no. rdso/pe/spec/ac/0138 ( latest) = 100 nos. 2) tube clamp for nw29 conduit with m6 fixing hole ( 35 mm internal diameter ) as per rdso specn. no. rdso/pe/spec/ac/0138 ( latest)= 200 nos

Hermetically sealed scroll type compressor using r-22 refrigerant gas , working on 3 phase 415v ac, 50hz , suitable for use in icf type rmpu ac coaches, conforming to rdso spec no. elps/spec/ac/03 (rev-2) may 2009 with amendment no. 1 & 2. accepted make & model no:- rdso approved model no. zr61 kc tfd 522 of m/s copeland make only.

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.

Primary spring (inner) for lhb non-ac coaches to rcf drg. no. lg 01101, alt. b and conforming to rdso spec. no. rdso/2017/cg-01, rev. 03 of january 2025 along with rdso l. no. sv.fiat.spring, dated 11/13.06.2019. spring code no. f06.

Kit of must change filter, suitable for use in conventional & garib rath rmpu ac coaches, confirming to rdso specification no. rdso/pe/spec/ac/0055-2003(rev.2)-2014 and kit of filters confirming to rdso drawing no. rdso/pe/sk/ac/0057-2003 (rev.2) sheet 1 of 2. the each kit of filter consist of (i) fresh air filter size -260 +/- 2 x 230 +/- 2 x 60 +/- 2 mm = 04 nos. (ii) return air filters size- (a) 620 +/- 2 x 460 +/- 2 x 50 +/- 2 mm = 01 no. (b) 550 +/- 2 x 500 +/- 2 x 50 +/- 2 mm = 03 nos.

Ventilation fan motor of 5.0-5.5 kw/6.7-7.5 hp rating, 415v ac, 3-phase, 50hz, ip-65, insulation class-h, min 1440 rpm, roof mounted, as per rdso specification no. rdso/pe/spec/ac/0084-2008 (rev.1). suitable for use in lhb-type power cars. accepted make: m/s abb, m/s laxmi hydraulic, m/s crompton, m/s siemens, m/s kirloskar electric, or any other rdso-approved make.