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 5996-01-292-7056
NSN 6105-01-136-9819
NSN 5999-01-207-7913
NSN 4140-00-193-8879
NSN 6645-01-252-8870
NSN 5975-01-495-0813
NSN 5985-01-222-6861
NSN 6220-00-932-4992
NSN 6620-00-153-6291
NSN 5895-01-122-3454
NSN 6150-00-812-7928
NSN 5910-00-203-2119