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 5835-00-393-1996
NSN 5925-01-525-7694
NSN 6645-00-330-2813
NSN 5998-01-230-4541
NSN 6110-00-012-5514
NSN 4140-01-417-8070
NSN 5996-00-170-8060
NSN 6145-01-200-4659
NSN 5925-00-194-1010
NSN 5985-01-428-9964
NSN 5990-01-601-7332
NSN 5996-01-191-8758