supply of pin for horizontal lever , pin for horizontal lever items 1 to 4 of irs drg. no. w/pn-88, alt. 1. material and specifica tion for item -1 should be as per is 2062 : part 1 : 2025, gr. e 250 a. material and specification for item 2 and 3 should be as per drg. no. w/pn %u2013 88, alt.-1. bulb cotter should be item - 3 of drg. no. w d-94068-s-01, alt.-4. material and specification for bulb cotter should be is 1079 : 2017 (re-affirmed - 2022), gr. hr4 or to irs specification no. m-41-1997 read with all amendments including amendment sl ip no. 2 of march - 2006. other details confirming to icf specification no. icf/md/spec-008, rev. no. 2 o f jan - 2001. specification: is 2062 : 2011 (re-affirmed-2021) with amendment no. 1 of nov. 2012, gr. e 250 a. is 1079 : 2017 (re-affirmed - 2022) irs specification no. m-41-1997 read with all amendments including amendment slip no. 2 of march - 2006. icf specification no. icf/md/spec-008, rev. no. 2 of ja n-2001. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]