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 5998-01-014-5465
NSN 6105-01-510-8848
NSN 5990-01-149-9228
NSN 5945-01-243-1704
NSN 6645-00-494-3065
NSN 5999-01-130-9233
NSN 5895-01-244-4397
NSN 5920-00-681-1172
NSN 6145-01-442-2790
NSN 5920-01-314-9517
NSN 5910-01-599-5368
NSN 5920-00-598-0469