part number: AN316-10R AN316-10R HEXAGON JAM NUT Hexagon jam nut (check nut) Material: Steel, cadmium plated Thread: 5/8-18, right hand Supercedes part number AN316-10 Dimensions: A: 1 inch B: 1-5/32 inch C: 5/16 inch MSRP: Now: $3.25 Add to Cart part number: AN316-10R AN316-10R HEXAGON JAM NUT MSRP: Now: $3.25 Add to Cart