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 6145-00-669-6795
NSN 6320-01-418-6681
NSN 6110-01-187-6703
NSN 6620-01-057-2580
NSN 5960-01-154-0018
NSN 6145-00-103-3385
NSN 5975-01-576-8693
NSN 5895-01-250-8525
NSN 5999-01-497-6945
NSN 5915-01-655-1413
NSN 6320-01-516-3836
NSN 6135-01-454-7041