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 5985-01-281-6835
NSN 5985-01-155-6194
NSN 5985-01-331-3506
NSN 5920-01-251-8746
NSN 7035-00-541-8516
NSN 6130-01-289-4801
NSN 5996-00-575-6241
NSN 5996-01-145-6557
NSN 6110-01-226-8949
NSN 5960-00-333-9897
NSN 6130-00-541-8468
NSN 5895-01-342-3504