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 6650-01-247-6623
NSN 5990-01-595-9441
NSN 5998-01-044-4185
NSN 5998-01-152-3609
NSN 5996-00-155-4586
NSN 4140-00-079-8453
NSN 5835-01-090-0784
NSN 5985-01-579-2192
NSN 5895-01-322-8395
NSN 6610-01-652-7448
NSN 5945-00-713-6106
NSN 6610-00-899-6671