Pipe 15Nb (For Rapid Discharge Hopper Wagon Type Bobrn Wagon) To Rdso'S Drg.No.Wd-91071-S75, Alt.4, Item-13 (Sheet 1 Of 2). Matl.& Specn.Is:1239/90 (5Th Rev.) Part I Heavy. As Per Drawing. [ 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 ] ]