O-Ring For 1 Inch Brake Hose For Knorr Bremse Design Bmbs. Drawing No. - Kbi Drg. N O. A27763/17, Material And Specification - As Per Bogie Mounted Brake System For Freight Cars; Descrip Tion And Maintenance Manual Of Knorr Bremse, Issue 092014 Revision: 02 En ; Rdso,S Spec No. Wd-2 3-Bmbs- 2008 (Rev. 1) Amendment No.1 Of Sept 2016. [ Warranty Period: 36 Months After The Date O F Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]