supply of inner spring for bolster of ( casnub 22 hs bogie ) boxnhs wagon.inner spring for bolster of ( casnub 22 hs bogie ) boxnhs wagon., inner spring for bolster of ( casnub 22 hs bogie ) boxnhs wagon. drawing no. : rdsos drg. no. wd-92058-s-05, alt. 13, item no. 2. material and specification : is: 3195 :1992 ( rev. 3 ) with amend. no. 2 o f sept. 2000, gr.: 60si7; and conforming to rdsos specification no. wd-01- hls - 94 ( rev. 4 ) of june 2022. [ warranty period: 48 months after the date of delivery ] divisional gsd adra, west bengal 313.00 numbers divisional gsd tata, jharkhand 1670.00 numbers new general stores depot / kgp, west bengal 2114.00 numbers