Bolster Liner Drawing No :- Wd - 85079 - S / 3, Alt. 7, Item No. 2 . Spec. No:- Wd-21-Cas Nub-22 Nlb Bogie- 93, Rev. 3. Liner Shall Be Marked For Manufacturer Initial And Month & Year Of Man Ufacturing By Metal Laser Engraving In 6Mm Size And 0.1 Mm Depth Minimum. (As Per Rdso Letter No. Mw/Plng/Csnb/Vendor Dt. 10.11.23. [ Warranty Period: 72 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitt Ed: Max 8 Lacs ] ]