Compact silicon rectifier block for conventional locos as per rdso specn. no. elrs/spec/rsi/0030 (rev. 0) of december- 2003 with amendment nos. 1, 2 & 3 or latest.

General purpose grease for m and p application (rdso spec. no. wd-17-misc-92) of balmerol mg ll 3 of balmer lorry/servo grease rr 3 of iocl/lithian rr3 of hpcl

Aar approved/rdso approved grease for cartridge taper roller bearings of freight stock conforming to rdso specification no.wd-24-misc.2003 (revision-1) with amendment no.1 of october, 2016. aar /rdso approved brands: 1.exxon arapen rb-320 of m/s exxon mobil. 2. timken premium rail grease of m/s exxon mobil 3.shell alvania ep-d of m/s shell canada ltd. 4.mobilith shc 100 of m/s exxon mobil 5.mobilith shc 221 of m/s exxon mobil 6. shell gadus rail s3 aar al of shell oil products 7. servogrease r

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.]

Surge arrestor 42 kv-10 ka as per rdso specification e1/2/05-87 with amendment 1 or latest

Apd for angle cock to rdso drg.no. wd-80007-s-12a, item no.3 alt: 20 or latest.

Casnub 22 hs cast steel bogie with friction damping arrangement as per drawing no.- wd-04078- s-01 alt. -03 or latest (item no.- 1 to 18 except 4,6,7,8 & 9) to rdso specification no.- wd-17-casnub-22 hs bogie-92 rev. 03 of sept-2004 with amendment 6 or latest.

Shell nerite hv 2858 grease for cru axle bearing. amendment no.-01 t.c. no.-rdso/2013/el/tc/0034(rev-04) dated. 21.07.2008

Clevis pin for bmbs bogie to rdso drg.no. wd-08093-s/2, alt.-3, item no.15, as per kbi part no.c162088, conforming to rdso specification no. wd-23-bmbs-2008, rev.1 with amendment no.1 of sept. 2016.

24 fibre armored optical fibre cable as per rdso specification no. irs tc-55/2006 rev 1 with amendment 3 or latest