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 5925-00-842-3474
NSN 5990-01-118-8624
NSN 5990-00-486-0506
NSN 7035-01-469-5854
NSN 6685-01-029-3773
NSN 5945-00-100-1261
NSN 5945-01-578-8413
NSN 5925-01-442-3792
NSN 6220-01-653-3707
NSN 5998-01-111-8681
NSN 5835-00-922-1263
NSN 6105-01-112-0490