supply of improved high tensile tight lock center buffer couplerimproved high tensile tight lock center buffer coupler,improved high tensile tight lock center buffer coupler with aar -h - type head and balance d draft gear for fitment on bg passenger coaches confirming to rdso specification no. rdso / 2011/ cg-03. (rev.3) amendment 1 of july-2024 consisting of 6 items. sl. no.1. tight lock coupler head aar - h - type wit h main pin- qty-1 no., sl. no.2. balanced draft grear - qty-1 no., sl. no.3. supporting device with fasteners- qty- 1 no., sl. no.4. manual uncoupling device- qty-1 no., sl. no.5. base plate with fasteners- qty-1 no., sl. no.6. support plate with fasteners- qty-1 no. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: m ax 8 lacs ] ] mech stores depot-ubl, swr karnataka 197.00 set