supply of primary brake beam assembly for escortsprimary brake beam assembly for escorts,kit of secondry brake beam assembly comprises of 03 items in assembled condition: [1] secondry brake beam assembly to rdso drg. no. wd 08093-s/2, alt : 2, item - 2 as per escorts drg. no. 3eb5522 alt-09 or similar- 01 no. [2] liner to ek drg. no. - 4eb7354 or similar - 02 nos. [3] csk screw to ek drg. no. - 4eb7376 or similar - 04 nos. and conforming to rdso spec no. wd-23-bmbs-2008, rev. 1 with amend. 1 of sept 2016. [ warranty period: 30 months after the date of delivery ] , primary brake beam assembly for escorts design bmbs. drawing no. : escorts drg. no. 3eb5521 alt-10. material and specification : as per operation and maintenance manual of escorts make bmbs for freight stock with casnub bogie; doc. no. red-rd-bs-019-om-01; rdso spec no wd-23- bmbs-2008 (rev-01) amendment no.1 of sept 2016. [ warranty period: 30 months after the date of delivery ]