supply of wear plate for brake beam of casnub bogieswear plate for brake beam of casnub bogies,wear plate for brake beam of casnub bogies to rdso drg. no- wd- 89033-s-1, alt.no.-24, item-8, material- spring steel to is:3885: part-i :19 92, reaffirmed-2022, cl-iv, hardness: 380 to 420 bhn & other technical requirements conforming to rdso specification no. wd-21-casnub-22nlb- 93 rev 2 of july 2002. read with all amendments. latest amend. no.6 of july-2020. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited