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 5998-01-075-0771
NSN 6220-01-526-8906
NSN 6645-01-201-5802
NSN 6685-00-398-0341
NSN 5925-01-029-3483
NSN 5915-00-747-9679
NSN 5945-00-523-2800
NSN 5835-00-554-0399
NSN 5945-01-134-3941
NSN 5915-01-190-3472
NSN 5996-00-015-6198
NSN 6150-01-531-1608