Washer outside diameter: 1.125 inch nom., height: 0.688 inch nom., washer thickness: 0.312 inch nom.
A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5990-01-493-4039
NSN 6320-00-853-1920
NSN 6620-00-897-7759
NSN 5990-01-384-2697
NSN 6135-00-334-4500
NSN 5945-01-026-0506
NSN 6620-01-591-1761
NSN 6685-00-982-4058
NSN 5910-00-863-4734
NSN 5965-01-148-4979
NSN 6145-00-840-2798
NSN 5855-00-167-7893