Stub shaft taper as per drg no. 9546333 [stub shaft taper as per drg no. 9546333 alt aa specn: purchase spec. no misc 243.rev.nil]

Single core cable 185 sqmm 4000 volt copper cable as per specification no. clw/es/3/0458, alt-e or latest, material to be procured from rdso approved sources only.

Cylindrical roller bearing with angle ring of skf no nh 318 ecm c4 va301 or schaeffler no.nj318e.m1.c4.f1+hj318e.f1. material to be procured from railway approved sources and its authorized dealers only.

Filter assembly for oil cooler ventilation as per clw specification no. clw/ms/3/012, alt.- 6 or latest and clw drawing no. 1209.11.135-123, alt-3 or latest for 3-phase locos. item should be procured from clw approved sources.

Led light fitting for toilet indication led light fitting for toilet indication in lhb ac coaches rdso/pe/spec/tl/0 091- 2016,rev-1, as per drg lw76097,type- h1 (1 watt), rcf, annex- 1,2&3 or latest. all items should be procured from rcf approved sources.

Rivetless cylindrical roller bearing nh 320 m/c4 (consisting of nj 320 + angle ring hj 320) with solid rivetless brass cage with cylindrical cage pocket profill,conforming to rdso s specn. no.mp-0-2402-03(rev -04)april2021 . material to be procured from railway approved sources and its authorised dealer only.

Screw hex head m 10 x 45 mm to is:1364, s 8.8, with one nut to is: 1364 property class 8, two nos. flat washer to is: 2016 and one spring washer to din 127b is: 3063 for fixation of cable cleat of tm (restricted to be procured from clw approved sources).

Pvc flooring roll 2 x 1850 x 14000 mm, colour as per sample no. nacflg-02, as per drawing/specification: rdso/200 6/cg-12, rev.2 of sept-2023 or latest, with pvc welding electrode dia 4mm=12 mtrs. per roll. item to be procured from rcf approved sources only. rcf item id: 2400073

Helical spring for axle guide arrangement of ac rakes of kolkata metro as per icf drawing no.dc/emu2-0-1-203 alt h/3 or latest amendment, if any. nb: (1) material to be procured from rdso/icf approved sources only. specn: as per icf drawing no.dc/emu2-0-1-203 alt h/3 or latest

Modified link as per clw drawing no.06/4/15/69 alt.nil (or latest) or ref. no.4 of rdso drawing no.skvl-180 alt.6 (or latest) and rdso specification no.mp.0.4900.11 rev.01 jan 2010 or latest. material to be procured from clw approved sources of compensating and equalizer beam and link for conventional loco only. as above spec:as above