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 5950-01-453-7312
NSN 5998-01-289-3078
NSN 6240-01-442-6456
NSN 5950-01-445-8905
NSN 5998-00-924-6550
NSN 6620-01-285-0302
NSN 6685-01-523-7894
NSN 5996-01-151-1607
NSN 6145-01-612-1749
NSN 4140-01-606-8772
NSN 6620-00-916-3134
NSN 5945-01-472-4347