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 5905-00-205-2595
NSN 5960-01-472-9562
NSN 5895-00-270-6595
NSN 5965-01-267-8536
NSN 6645-00-624-5963
NSN 5996-01-298-2952
NSN 5996-01-528-7850
NSN 5930-01-156-6491
NSN 5895-00-250-7142
NSN 5990-00-613-2279
NSN 5990-01-565-2226
NSN 5990-00-224-9408