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 6620-00-280-2874
NSN 5910-01-075-1557
NSN 6220-01-249-3884
NSN 6135-01-062-9356
NSN 5920-00-980-0121
NSN 6645-01-226-2766
NSN 6110-01-170-7363
NSN 5985-01-553-3281
NSN 6135-01-062-9356
NSN 5998-01-373-1426
NSN 5965-01-417-3211
NSN 5930-01-258-2058