A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 6685-00-521-3284
NSN 5905-00-053-0982
NSN 5960-01-331-3817
NSN 5920-01-510-7295
NSN 6135-00-896-3187
NSN 6685-00-058-2251
NSN 5985-01-433-2077
NSN 5965-00-256-8687
NSN 5996-01-364-7934
NSN 5975-01-388-9789
NSN 6110-00-781-4285
NSN 5905-01-172-7317