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 4140-01-023-8846
NSN 5999-00-421-3178
NSN 5990-01-013-4569
NSN 5950-00-462-4233
NSN 2925-01-157-9204
NSN 5930-01-489-0353
NSN 6685-01-197-7386
NSN 5895-01-157-0665
NSN 6685-01-155-6563
NSN 6685-01-152-2846
NSN 5935-01-252-8826
NSN 6620-01-168-8244