Tenders for Supply of Air Brake Hose Coupling Assembly For Brake Pipe, Of Length 790 Mm Conformi Ng To Appendix-F Of Rdso Spec. No. 02-Abr-02, Amendment- No. 4 Of Sept. 2016 To Rdso Drg No : Sk-73547 Alt - 14. Note-The Protection Cap Provided On Palm End Side Should Be Of Thi Ckness 3.5Mm To 4 Mm And Cap Should Be In Red Colour. Firm Should Ensure Before S Upply.