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 6240-01-384-8802
NSN 5945-00-104-5729
NSN 5835-01-124-6288
NSN 5920-01-580-0777
NSN 5985-00-452-2228
NSN 5985-00-497-5521
NSN 6110-01-111-8762
NSN 6240-01-148-0379
NSN 5855-01-406-2606
NSN 5998-00-882-4556
NSN 6650-01-465-0371
NSN 6620-01-220-8036