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 5945-00-658-5810
NSN 6150-01-295-5951
NSN 6320-00-546-9249
NSN 5965-00-100-1291
NSN 5990-01-395-4194
NSN 6620-01-441-0240
NSN 5905-01-557-5395
NSN 5905-01-634-0595
NSN 6150-01-217-3127
NSN 6135-01-292-7723
NSN 5910-00-628-6389
NSN 6135-01-226-4071