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 5985-00-655-1934
NSN 5965-01-308-7895
NSN 5975-00-043-5326
NSN 5998-01-238-0103
NSN 5925-01-055-3868
NSN 7035-00-945-3166
NSN 5965-01-185-2026
NSN 6685-00-972-9526
NSN 6320-00-593-0379
NSN 6145-00-296-0085
NSN 6240-01-633-9357
NSN 5835-01-058-8011