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 6320-01-506-9439
NSN 5920-00-858-8619
NSN 5975-00-813-5554
NSN 5990-01-209-2016
NSN 6145-01-306-9959
NSN 6105-00-888-9977
NSN 5965-01-250-3214
NSN 5915-00-246-8709
NSN 2925-00-265-7539
NSN 5915-00-679-3093
NSN 6320-00-222-1465
NSN 5920-00-974-4381