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 6130-01-065-2368
NSN 6145-01-549-3370
NSN 6105-00-424-6283
NSN 6620-01-343-6671
NSN 5925-01-061-9717
NSN 6110-00-214-9186
NSN 6150-01-029-1705
NSN 5915-01-149-4834
NSN 5910-00-208-4889
NSN 6240-00-389-4822
NSN 6110-01-195-7628
NSN 2925-01-149-0352