Supply of 1 Coupling Socket Complete Outer Casing Assembly With Locking Arrangement Along With Fitted Cover, Handle, Foundation And Cover Gasket Suitable For Inter Vehicular Coupler For 3 Phase Loco Equipped With 500Kva Hog Converter. 2 Hex Head Screw Of Size M16x80mm Ht 8.8 Full Thread Is-1364 With 01No.Plain Washer 2.5Mm Thickness; Is 2016 & 01No.Spring Washer 2.5Mm Thickness Is 3063. 3 Hex Head Screw Of Size M16x60mm Ht 8.8 Full Thread Is-1364 With 01No.Plain Washer 2.5Mm Thickness; Is 2016 & 01No.Spring Washer 2.5Mm Thickness Is 3063. 4 Hex Head Screw M12x25mm Full Thread Ht 10.9 Confirms To Is:1364 With 01No.Plain Washer 2.5Mm Thickness, Is:2016 And 01No. Spring Washer As Per Is:3063. 5 Hex Head Screw M12x30mm Full Thread Ht 10.9 Confirms To Is:1364 With 01No.Plain Washer 2.5Mm Thickness, Is:2016 And 01No.Spring Washer 2.5Mm Thickness Is:3063..