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 6105-01-325-8925
NSN 7035-01-429-5725
NSN 5930-01-271-4821
NSN 5996-01-438-0323
NSN 6150-01-469-1013
NSN 6620-01-129-5832
NSN 5960-00-005-7132
NSN 7035-01-062-0184
NSN 6145-00-299-5523
NSN 6240-00-222-0276
NSN 5905-00-171-2652
NSN 5895-00-185-0891