supply of apd for primary & secondary brake beamapd for primary & secondary brake beam,apd for primary & secondary brake beam pin for bmbs bogie as per drg. no. wr/d hd/wn/4-bt-011. material & specification as per drg. [ warranty period: 30 months after the date of delivery ] ] , apd for push rod pin for bmbs bogie as per drg.no. wr/dhd/wn/4-bt-010. material & specif ication as per drg. [ warranty period: 30 months after the date of delivery ] ] , z-shape plate (apd) for bmbs bogie similar to drawing anti drop plate-kp1981443. [ warranty period: 30 months after the date of delivery ] ] , apd for apm (el - 60 valve) as per wagon maintenance manual drawing attached. [ warrant y period: 30 months after the date of delivery ] ] , apd for cable equalizer as per drg.no. wr/dhd/wn-4-gen-022 [ warranty period: 3 0 months after the date of delivery ] ] => limited