supply of bolster liner for casnub 22 nlb bogie , bolster liner for casnub 22 nlb bogie to item no. 2 of rdso drg. no. wd-89067 -s-04, alt. 13 & casnub 22 hs bogies to item no. 2 of rdso drg. no. wd-92058-s-03, alt. 8 with manufacturer initial and month and the year of manfactured by metal laser engraving in 6 mm size and 0.1 mm depth minimum. for casnub 22 nlb bogie to item no. 2 of rdso drg. no. wd-89067-s-04, alt. 13 & casnub 22 hs bogies to item no. 2 of rdso drg. no. wd-92058-s-0 3,alt. 8 [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]