supply of set of outer & snubber spring for boxnhs wagonset of outer & snubber spring for boxnhs wagon,outer spring for bolster (casnub 22 hs bogie) boxnhs wagon rdsos drg.no: wd-92058-s-05, alt.13, item-1. matl.& spec.is:3195/92(rev. 3) with amend.no:2 of september.2 000, gr.60si7 and conforming to rdsos specification no:wd-01-hls-94(rev.4) of june 2022. [ warranty period: 60 months after the date of delivery ] ] , snubber spring for boxnhs wagon. drawing no. : rdsos drg. no. wd-92058-s-05, alt.1 3, item no. 3 . material and specification : is:3195:1992 (rev. 3) with amend. no. 2 of sept. 2000, gr.: 52 cr4 mo 2v; and conforming to rdsos specification no. wd-01-hls -94 (rev. 4) of june 2022. [ war ranty period: 60 months after the date of delivery ] ]