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 5935-01-370-4440
NSN 5930-00-789-0875
NSN 6685-01-303-2211
NSN 5998-01-367-2272
NSN 5999-01-447-3732
NSN 5935-01-417-1366
NSN 6320-01-280-5091
NSN 5998-00-022-6955
NSN 6645-01-285-9431
NSN 5855-01-321-3881
NSN 5895-00-470-8276
NSN 5835-00-529-6307