supply of m16 x 90 bolt with nuts & split pin for escorts design bmbs. drawing no.: escorts dr g. no. 4eb10272. material and specification: as per operation and maintenance manual of escorts mak e bmbs for freight stock with casnub bogie; doc.no. red-rd- bs-019-om-01; rdso,s spec no. wd-23- bmbs-2008 (rev.1) amendment no.1 of sept 2016. [ warranty period: 36 months after the date of d elivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8