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 5855-00-055-1579
NSN 6645-01-445-4673
NSN 6610-01-265-1824
NSN 6105-00-823-4451
NSN 6110-01-602-6714
NSN 6105-00-152-3825
NSN 6645-01-023-8020
NSN 5945-01-522-3617
NSN 4140-01-389-2170
NSN 6110-01-510-4197
NSN 5935-01-292-9800
NSN 5915-00-035-8590