Tenders for Supply of Copper Washer To Size Id 11.5 +0.0/-0.1 Mm X Od 22.5 +0.3 / -0.0Mm X 1.6 +0.0/-0.1 Mm Thickness And Material Copper To Is:191, Grade: Etp Annealed To Drawing No.Goc/Ds/D/4-456/0, Alt: Nil For Fuel Oil Line Assembly Of Hhp Diesel Locomotives.