supply of one liner with two supporting screw (size: m8 x 1.25 x15) in a set for escorts design bmbs. , one liner with two supporting screw (size: m8 x 1.25 x15) in a set for escorts design b mbs. drawing no.: for liner escorts drg. no. 4eb7354; for screw escorts drg. no. 4eb7376. material a nd specification : as per operation and maintenance manual of escorts make bmbs for freight stock wi th casnub bogie; doc. no. red-rd- bs-19-om-01 and conforming to rdso,s spec no. wd-23- bmbs-20 08 (rev. 1) amendment no.1 of sept. 2016. [ warranty period: 36 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]