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 5915-01-026-1009
NSN 5930-00-465-8338
NSN 6110-01-270-4841
NSN 5915-00-368-4564
NSN 2925-00-373-8837
NSN 5960-00-890-9032
NSN 5925-01-370-4417
NSN 6610-00-186-9180
NSN 5915-01-130-5941
NSN 6610-01-502-7820
NSN 6645-01-567-1049
NSN 5930-01-028-3902