supply of set of brake beam assembly.set of brake beam assembly.,top side bearer liner for boxn wagon to rdsos drg.no. wd-85079/s-1, item no. 1 2, alt. no. 11 (eleven). [ warranty period: 36 months after the date of delivery ] ] , bell crank lever assly escorts drg no. 3eb9791 alt-00 or latest as per operatio n and maintenance manual of escorts make bmbs for fright stock with casnub bogie doc. n o.red-rd-bs-019-om-01 [ warranty period: 36 months after the date of delivery ] ] , brake head to rdso drg no- wd-08093-s-02 alt 3 item no7 [ warranty period: 36 mont hs after the date of delivery ] ] , secondary brake beam assy. escorts drg. no. 3eb5522 alt-09 or latest. make/ brand-escort s, as per rdso spec. wd-23-bmbs-2008 rev.1.. [ warranty period: 36 months after the date of delivery ] ] , sensor arm with adjusting screw escorts drg. no. 3eb7385 or latest. make/ brand-escorts, as per rdso spec. wd-23-bmbs-2008 rev.1. [ warranty period: 36 months after the date of delivery ] ] , liner (escorts drg, no 4eb 7354) along with two supporting screws, as per rdso spec. wd -23-bmbs-2008 rev.1. [ warranty period: 36 months after the date of delivery ] ] , primary brake beam assy. escorts drg. no. 3eb5521 alt-10 or latest as per operation an d maintenance manual of escorts make bmbs for freight stock with casnub bogie; doc. no. red-rd-bs-01 9-om-01; rdso spec no wd-23-bmbs-rev-01 amendment no.1 of sept 2016 [ warranty period: 36 mont hs after the date of delivery ] ]