supply of locking piece sublocking piece sub,locking piece sub assembly as per escort drg. no. sk.716 rdsos specification no. rdso/2011/cg-03, rev-03 [ warranty period: 30 months after the date of delivery ] ] , knuckle as per escorts drg no. sk-611 for lhb coaches h type centre buffer coupler to rdso spec no. rdso/2011/cg-03 rev. 03 [ warranty period: 30 months after the date of delivery ] ] , conical washer as per escorts part no. sk : 729 for aar-h type cbc as per rdso spec no. rdso/2011/cg-03 (rev.3) [ warranty period: 3 0 months after the date of delivery ] ] , washer (top) as per escorts part no sk 1536 for aar-h type cbc as per rdso spec.no rdso/2011/cg-03 (rev. 3) [ warranty period: 30 months after the date of delivery ] ] , main pin for knuckle (knuckle pivot pin) for aar h type cbc with balance draft gear to rdso spec. no. rdso/2011/cg-03 rev. 03. as per esco rts drawing no. 1c101060068 [ warranty period: 30 months after the date of delivery ] ] , knuckle thrower for cbc confirming to escorts drg. no. sk-1560 and rdsos specification no. rdso/2011/cg-03, rev-03 or latest. [ warran ty period: 30 months after the date of delivery ] ] , vertical support assembly (rev-3) as per escorts drg. no.1c101060031e,(make escorts) to rdso spec. no. rdso/2011/cg-03 [ warranty p eriod: 30 months after the date of delivery ] ] , supporting pin for main pin for knuckle make- escort (rev.-03), escort drg. -1c101060033, rdso spec. no. rdso/2011/cg-03. [ war ranty period: 30 months after the date of delivery ] ] , rotary lock lift assembly as per escort part no. sk-1656 for aar-h, type cbc with balance draft gear to rdso spec. no. rdso/2011/cg-03 rev. [ warranty period: 30 months after the date of delivery ] ] , supply of locking pin assembly (rev. 03) as per drg. no. 1c101020003 make: escort and rdsos specification no. rdso/2011/cg-03 [ warranty period: 30 months after the date of delivery ] ] , special allen bolts, (escorts make),escorts part no. sk 1535 & rdsos specification