supply of improved high tensile tight lock center buffer coupler with aar-h type head andbalanced draft gear for fitment on bg passenger coaches confirming to rdsospecification no. rdso/2011/cg-03 (rev.-3) consisting of 6 items, sl. no. 1 tight lockcoupler head aar-h type with main pin. qty. 1 no., sl. no. 2 balance draft gear. qty. 1no., sl. no. 3 supporting device with fasteners. qty. 1 no., sl. no. 4 manual uncouplingdevice. qty. 1 no., sl. no. 5 base plate with fasteners. qty. 1 no. and sl. no. 6 supportplate with fasteners. qty. 1 no. material & specification: rdso/2011/cg-03 (rev.-3) or latestimproved high tensile tight lock center buffer coupler with aar-h type head andbalanced draft gear for fitment on bg passenger coaches confirming to rdsospecification no. rdso/2011/cg-03 (rev.-3) consisting of 6 items, sl. no. 1 tight lockcoupler head aar-h type with main pin. qty. 1 no., sl. no. 2 balance draft gear. qty. 1no., sl. no. 3 supporting device with fasteners. qty. 1 no., sl. no. 4 manual uncouplingdevice. qty. 1 no., sl. no. 5 base plate with fasteners. qty. 1 no. and sl. no. 6 supportplate with fasteners. qty. 1 no. material & specification: rdso/2011/cg-03 (rev.-3) or latest,improved high tensile tight lock center buffer coupler with aar-h type head andbalanced draft gear for fitment on bg passenger coaches confirming to rdsospecification no. rdso/2011/cg-03 (re v.-3) consisting of 6 items, sl. no. 1 tight lockcoupler head aar-h type with main pin. qty. 1 no., sl. no. 2 balance draft gear. qty. 1no., sl. no. 3 supporting device with fasteners. qty. 1 no., sl. no. 4 manual unco uplingdevice. qty. 1 no., sl. no. 5 base plate with fasteners. qty. 1 no. and sl. no. 6 supportplate with faste ners. qty. 1 no. material & specification: rdso/2011/cg-03 (rev.-3) or latest [ warranty period: 84 mo nths after the date of delivery ] ]