supply of bolster snubber spring for casnub-22 hs.bolster snubber spring for casnub-22 hs.,bolster snubber spring for casnub-22 hs (mod-i) bogie to rdso drg. no.wd-04017-s- 4, alt.-5, item-3. other technical requirements conforming to rdso spec. no. wd-01-hls-1994, rev-0 5 of december-2024. material grade-60si7 conforming to is: 3195-1992 with amendment 1 & 2. to is: 3195-1992, latest amend.no.2 of sept.2000 & rdso spec. no. wd - 01 %u2013 hls - 94, rev.3 of ja nuary-2009, read with all amendment, latest amendment no.4 of october- 2020. [ warranty period : 60 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]