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 6150-01-285-8196
NSN 5965-01-039-1430
NSN 6240-00-372-4841
NSN 5935-01-458-1746
NSN 5985-01-508-7578
NSN 6220-01-054-9112
NSN 6240-00-433-2707
NSN 5975-01-525-7252
NSN 5960-00-215-5884
NSN 6105-00-868-4473
NSN 6130-00-295-5806
NSN 6105-01-571-1084