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 2925-00-964-7128
NSN 6685-00-290-1832
NSN 5835-01-406-4066
NSN 5950-01-536-2676
NSN 6610-01-575-8795
NSN 5930-01-371-5006
NSN 5920-01-477-5312
NSN 5945-01-388-0575
NSN 6645-00-171-9639
NSN 6135-00-087-5300
NSN 5895-00-847-4751
NSN 6220-00-689-5469