5/16" SAE FLAT WASHERS MED. CARBON THRU-HARDENED ZINC-YELLOW CR+6 U.S.A.
              
            
          Specifications
- Size description: 5/16"-
 - Piece weight: 0.00513
 - Diameter: 5/16"
 - Plating: ZINC-YELLOW
 - Part Number: 381100
 - Material: STEEL
 - Finish: ZINC-YELLOW