supply of outer spring for casnub-22, inner spring for casnub 22 hs, bolster snubber spring for casnub 22.outer spring for casnub-22, inner spring for casnub 22 hs, bolster snubber spring for casnub 22.,outer spring for casnub-22 hs (mod-i) bogie bolster suspension to rdso drg. no.wd-0401 7-s-4, alt-6 or latest, item-1. other technical requirements conforming to rdso spec. no. wd-01-hls-94, r ev.-04 of jun-2022. material grade-60 si 7 conforming to is:3195-1992 (reaffirmed-2022) [ warranty peri od: 60 months after the date of delivery ] ] , inner spring for casnub 22 hs (mod-i) bogie for bosths wagon as per drg.no. wd-04017-s- 4, alt-6 or latest, item no.2 [ warranty period: 30 months after the date of delivery ] ] , bolster snubber spring for casnub 22 hs (mod-i) bogie used in bost wagon. rdsos drg, no. wd-04017-s-4, alt-6 or latest, item no. 3 matl.& spec.as per drawing and conforming to rdso s spec. no. wd-01-hls-94 (rev.-4) of june 2022 [ warranty period: 30 months after the date of delive ry ] ]