set of air pipe connection assembly for ba panel ep contactor of electric loco. one set consisting of 06 items & qty: 12 nos. as per drg.no.ngp/trs/3/13.071 i.e. i) air pipeline assembly for ep contactors qty : 03 nos. 2) air pipeline assembly for shunting contactor, qty : 03 nos. 3) air pipeline assembly for reverser non modular qty : 01 no. 4) air pipeline assembly for reverser modular qty : 01 no. 5) air pipeline assembly for ctf non modular, qty : 01 no. 6) air pipeline assembly for ctf modular qty : 03 nos