supply of secondary brake beam assy.secondary brake beam assy.,secondary brake beam assy. escorts drg. no. 3eb5522 alt-10 or latest. make/ brand-escort s as per rdso drg no.-wd-08093-s-02 item no. 2 alt-3 or latest [ warranty period: 30 months after th e date of delivery ] , brake head escorts drg. no. 3eb7375 or latest.make/ brand-escorts [ warranty period: 30 months after the date of delivery ] , bell crank lever- rh assy confirming to escorts drg. no. 3eb9791 2 or latest. as per rdso spe c. no. wd-23-bmbs-2008 (rev.1) amndt. no. 1 of sept.2016 or latest. [ warranty period: 30 months after the d ate of delivery ] , sensor arm with adjusting screw escorts drg. no. 3eb7385 or latest. make/ brand-self. [ warr anty period: 30 months after the date of delivery ] , bell crank lever- lh assy escorts drg. no. 3eb9792 alt-00 or latest. make/ brand-escorts. [ warranty period: 30 months after the date of delivery ] , primary brake beam assy.escorts drg. no. 3eb5521 alt-10 or latest asper operation an d maintenance manual ofescorts make bmbs for freight stock withcasnub bogie; doc. no. red-rd-bs-019- om-01;rdso spec no wd-23-bmbs-rev-01 amendmentno.1 of sept 2016 [ warranty period: 30 months aft er the date of delivery ] , t-head bolt for bell crank m12x35 [ warranty period: 30 months after the date of delivery ] , hex nylock nut m12 for bell crank(drawing no : din982/e qv.) [ warranty period: 30 months after the date of delivery ] , spring washer b12 for bell crank. escort drg.no. din127/eqv. [ warranty period: 30 months af ter the date of delivery ]