supply of inner bolster suspension spring for casnub 22 hs (mod-i) bogie as per rdso drg. no. wd-04017-s-04, alt.-6, item no. 2.inner bolster suspension spring for casnub 22 hs (mod-i) bogie as per rdso drg. no. wd-04017-s-04, alt.-6, item no. 2.,inner bolster suspension spring for casnub 22 hs (mod-i) bogie as per rdso drg. no. wd-04017-s-04, alt.-6, item no. 2. material and specification as per drawing and confirming to rdso spec no. wd 01-hls-1994, rev. 5; material is: 3195. [ 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 ] ]