supply of silent block (for high tensile tight lock centre buffer coupler with aar h type head and balanced draft gear)silent block (for high tensile tight lock centre buffer coupler with aar h type head and balanced draft gear),silent block (for high tensile tight lock centre buffer coupler with aar h t ype head and balanced draft gear) to escorts drg. no. sk 1532 and conforming to rdso specification no. rdso/2011/cg-03, rev-1, amdt-1. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] carr. repair stores/tpty, andhra pradesh 50.00 numbers