Set Of Nitrile Rubber O Ring Consisting Of Two Items As Follows: (I) Dia 280 Mm X 4 Mm Cd, Qty. -01 No. And (Ii) Dia 205 Mm X 3 Mm Cd, Qty. - 01 No.As Per Els/Tata Drg. No. Tata/Rs/Misc/13/1, Alt-1. Material - Nitrile Rubber, Test Certificate To Be Given From Nth Or Any Other Govt.Approved Test Agency Along With Material. [ Warranty Period: 30 Months After The Date Of Delivery ] ]