Supply Of Description:-air Brake Hose Coupling For Feed Pipe For Electric Loconmotives. Rdsos Drg. No.wd-8 1027-s-01, Alt. 14, With Latest. Item Nos. 1 To 7 In Assembled Condition. Material And Specification: Rdsos Str No. 02-abr-2002, Amendment 4/sept. 2016, Appendix-f Drg/specification:-as Per Drg Mentiond In Description.