supply of set of nitrile rubber o ring, set consists of 2 items as per els/tata drg no tata/rs/misc/13/1, alt 1 , as given below: (1): dia (280 mm*4mm) cd - 01 no/set (2) dia (205 mm*3 mm) cd -01 no/set , set of nitrile rubber o ring, set consists of 2 items as per els/tata drg no tata/rs/misc/13/1, alt 1 , as given below: (1): dia (280 mm*4mm) cd - 01 no/set (2) dia (205 mm*3 mm) cd -01 no/set note: supply by sources as per clw id: 2100556 a nd 2101221 in ireps vendor directory [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]