supply of 11 bogie mounted brake cylinder with double acting automatic slack adjuster for air brake wagons , 11 bogie mounted brake cylinder with double acting automatic slack adjuster for air brak e wagons having bmbs (sona blw design).as per sona blw drg. no. 3eb7347 alt.- 09 or equivalent .as per the rdso spec. no. wd-23- bmbs-2008 (rev. 1) with amend. - 1 of sept. 2016.suitable to fitment for air brake wagons having bmbs wagons ( sona blw design). [ warranty period: 36 months after the da te of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]