part number: AN320-4 AN320-4 SHEAR CASTLE NUT Shear castle nut Material: Steel, cadmium plated Thread: 1/4-28 Supercedes part number 404-393 Dimensions: A: 7/16 inch B: 1/2 inch C: 3/16 inch D: 7/16 inch NOTE: We do not provide... MSRP: Now: $2.62 Add to Cart part number: AN320-4 AN320-4 SHEAR CASTLE NUT MSRP: Now: $2.62 Add to Cart Compare Selected