supply of air brake equipment complete to rdsos drg.no.wd - 08008 - s - 12, alt - 6 and wd - 09034 - s - 11, alt - 10 with rdsos spen. no. 02 - abr - 02, with 4 amendments - last amendment no.4 issued in sept2016 consisting of 11 items as per annexure attached. 01 set = 11 items. [ warranty period: 36 months after the date of delivery ] - pipe, cut off angle cock, firt collector, auxiliary reservoir, distributor valve, air brake hose coupling, brake cylinder 300 mm, lock nut, pipe bracket with control reservoir, bracket, crf , coupling support, clamp for pipe, packing , check valve etc.