liner 50 x 10 x 3 mm for bolster rotation stop lug drawing no fig 40 para 5 4 2 of g 95 rev 1 with amendment no 5 mat spec 1 wd 21 casnub 22 nlb bogie 93 rev 2 with amend no 5 2 is 3885 part 1 gr iv hardness 380 420 bhn specn drawing no fig 40 para 5 4 2 of g 95 rev 1 with a mendment no 5 mat spec 1 wd 21 casnub warranty period 30 months after the date of delivery quantity tolerance 5 age item category normal total po value variation permitted max 8 lacs