supply of spherolastic bearing , spherolastic bearing (silent block ) for aar-h coupler (rev.03) to escorts drg. no. 1c101060 069 or articulated spheroelastic rubber bearing sanrok drg. no. 1ed-4454 or spheroelastic bearing front ier drg. no. fasl/ sb/0848 rev-02 or equivalent of high tensile tight lock centre buffer coupler to rdso specification no. rdso/2011/cg-03 rev.03 amendment no 1 july 2024. [ warranty period: 84 months aft er the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , spherolastic bearing (silent block ) for aar-h coupler (rev.03) to escorts drg. no. 1c101060 069 or articulated spheroelastic rubber bearing sanrok drg. no. 1ed-4454 or spheroelastic bearing front ier drg. no. fasl/ sb/0848 rev-02 or equivalent of high tensile tight lock centre buffer coupler to rdso specification no. rdso/2011/cg-03 rev.03 amendment no 1 july 2024. [ warranty period: 84 months aft er the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]