Tender For supply of spring washer steel single coil, size a6 to is: 3063- 1972 phosphated coated. , stud to drg. no. 672-29- 23 , hexagonal nut m 10 to drawing no. gcf tm-177 (b) , washers spring steel single turn 10 mm hole. , split pin steel to size 2.5 dia x 25mm long to specn is: 549- 74