supply of endless v-belt [precision built belt] , endless v-belt [precision built belt] having polyester cord reinforcement and neo-prene j acket with oil resistance and anti-static low stretch properties in size c-122 conforming to rdso specn. no rdso/ pe/ spec/ac/0059-2004 [rev-0] with amendment no.1, or latest which incorporates temper ature aging and accelerated aging test and others additional physical parameter, with only 2 successiv e grading nos. in a matched set of 12 belts and the grading nos falling within the range of 49 to 51 all t he same nos. in each set. maximum permissible ash content of 5%. parameter tested as per is: 3400 p art-22. [ warranty period: 12 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]