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 6240-01-225-8076
NSN 6685-01-657-0655
NSN 5975-01-123-5761
NSN 5915-00-228-0114
NSN 6645-00-725-6864
NSN 6240-01-252-9374
NSN 6320-01-512-2031
NSN 5965-00-716-7078
NSN 6320-01-512-2031
NSN 6110-00-823-2365
NSN 6650-01-444-2152
NSN 6220-01-363-9713