supply of brake gear pin with bulb cotte , brake gear pin with bulb cotter and washer as per details given below, a) pin to irs drg . no. w/pn-90, alt-3 and material conforming to is: 5517-1993, with amendment no. 1,2 and 3, grade: 45c8, heat treated 200-300 bhn. b) bulb cotter to rdso drg. no. wd- 94068-s-1, alt.4, item no.2, m aterial to is: 1079-2017, grade:hr1 or to irs specification no.m41-1997, read with all amendments, l atest amendment no.2 of march-2006. other technical requirements conforming to specification no. i cf /md/spec-008, rev.2 of jan-2001. c) standard washer m27 confirming to is: 2016-1967, with amen dment 2,3&4. ]