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 5999-01-461-7651
NSN 6130-01-415-8605
NSN 5998-01-278-4695
NSN 6610-01-515-4967
NSN 5985-01-495-0883
NSN 6135-01-518-9813
NSN 5985-01-425-5849
NSN 5930-00-051-4448
NSN 6240-00-630-8069
NSN 6685-00-203-4485
NSN 5985-00-969-4628
NSN 6240-01-348-0057