supply of procurement of improved high tensile tight lock centre buffer coupler with aar -h- type head and balanced draft gear (without crash element) for fitment on bg passenger coachesprocurement of improved high tensile tight lock centre buffer coupler with aar -h- type head and balanced draft gear (without crash element) for fitment on bg passenger coaches,procurement of improved high tensile tight lock centre buffer coupler with aar -h- type he ad and balanced draft gear (without crash element) for fitment on bg passenger coaches of indian railways specification no. rdso/2011/cg-03. rev.3 with amendment slip no.1 of july 2024. warranty sch edule of item: as per specification no. rdso/2011/cg-03. rev.3 with amendment slip no.1 of july 2024, warranty is 72 months from the date of fitment / 84 months from the date of supply whichever is earlier. [ warranty period: 84 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]