Supply of Poh Kit For Air Brake Cylinder 9 Inch 228 Mm Of Bwt/Dbkm Wagons Consisting Of 02 Items. 1 Piston Packing - 01 Pair To Drg. No. Jhs/Sk2816 Alt. 1. 2 Wear Ring - 01 Pair To Drg. No. Jhs/Sk2823 Alt. 1, Conforming To Rdso Specification No. 02-Abr-02 With Amendment No. 4 Of Sept-2016 Or Latest, Appendix -B, Suitable To Fitment For Air Brake Cylinder 9 Inch228 Mm.