Supply Of Liner For Bolster Land Surface For Casnub 22 Nlb Bogie To Rdso Drg.N O. Wd-89067/S-4 Alt. 13 Or Latest Item No.3 Material & Specification: (1) Wd-21-Casnub-22 Nlb-Bogie-93, Rev-2 With Amendment 6. (2) Is:3885,Part-1, Gr-Iv, Hardness 380-420 Bhn. [ Warranty Period: 30 Months After The Date Of Delivery ] ]