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 5965-00-246-5612
NSN 5960-01-353-3972
NSN 5999-01-111-3389
NSN 5945-00-690-8799
NSN 6320-01-652-3806
NSN 5920-00-226-0227
NSN 6685-01-339-7696
NSN 7035-01-310-2587
NSN 6320-01-384-3850
NSN 6645-01-090-8875
NSN 5996-01-579-2986
NSN 5855-00-688-9954