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 6650-01-194-6997
NSN 6105-00-216-1813
NSN 4140-00-131-6486
NSN 7035-00-104-7613
NSN 5905-00-555-1899
NSN 5945-00-067-6406
NSN 5950-01-542-0835
NSN 5975-01-301-3684
NSN 5905-01-226-7481
NSN 5960-01-613-6132
NSN 5895-01-196-4845
NSN 6130-01-620-5397