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 7035-01-145-5059
NSN 5895-00-230-7117
NSN 5925-01-243-1812
NSN 5960-00-468-5353
NSN 6110-01-065-9659
NSN 5905-00-916-4110
NSN 5996-01-077-9181
NSN 5945-01-656-8126
NSN 6145-01-481-0131
NSN 5925-01-261-5625
NSN 5925-01-222-7441
NSN 5998-01-398-6963