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 6685-00-659-7831
NSN 5998-00-375-4259
NSN 6645-00-038-5735
NSN 5945-01-483-1316
NSN 5990-01-011-0683
NSN 6240-01-361-3499
NSN 5975-01-444-2693
NSN 5990-00-959-8280
NSN 2925-01-103-1241
NSN 6150-01-173-7344
NSN 6130-00-027-5186
NSN 6105-01-603-7855