supply of cast steel bolster.cast steel bolster.,cast steel bolster complete to rdso drg no.wd-04017-s-03-alt.02 or latest item no.1 to 3 and other technical requirments confirming to rdso specification wd-34 casnub 2 2hs (mod-1)-2004 , amend no.5 of nov 2020 or latest . material and spec as per drawing. [ war ranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , cast steel bolster with liner for casnub 22 hs bogie to rdso drg.no.wd-92058-s-3, alt.no.8 , item nos.1, 2, & 3. other technical requirements conforming to rdso specification wd-17-casnub-22-hs bogie-1992, rev.4 sept-2024. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]