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 6135-01-252-0315
NSN 5945-01-290-9525
NSN 6150-00-336-9057
NSN 5905-00-132-0170
NSN 5999-01-472-3025
NSN 6220-00-446-5411
NSN 5965-00-568-5802
NSN 5998-01-262-1574
NSN 5999-01-432-2147
NSN 6620-00-118-8913
NSN 6110-01-239-4180
NSN 6130-00-890-0553