supply of supply of articulated spherolastic rubber bearing for high tensile tight lock centre buffer couplersupply of articulated spherolastic rubber bearing for high tensile tight lock centre buffer coupler,supply of articulated spherolastic rubber bearing for high tensile tight lock cen tre buffer coupler with aar h type head and balanced draft gear to sanrok drawing no. 1ed-4 454 and confirming to rdso specification no. rdso/2011/cg-03 (rev-3). make tvs/gmt [ warranty p eriod: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: ma x 8 lacs ] ]