supply of breather valve assebly with wire mesh filter for 10 inch brake cylinderof air brake wagons having bmbs , kbi pt no.ii95097 or prag pt no ii95097 confirming tordso spec. no. wd- 23 -bmbs -2008(rev.1) with amend - 1 of sept .2016 and drg. no.-wd -8093-s-2 alt-3 and wd- 08096 -s-01 alt. 2 .
