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 5965-01-373-1412
NSN 6610-01-389-3082
NSN 5985-00-726-6960
NSN 6130-01-067-9383
NSN 6645-00-239-5743
NSN 5920-01-087-3725
NSN 7035-01-365-9610
NSN 6145-01-421-2458
NSN 5985-00-467-1838
NSN 6650-01-215-4487
NSN 7035-01-145-5059
NSN 5855-01-592-3128