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 5999-00-535-7502
NSN 6320-00-674-1361
NSN 5930-01-314-8509
NSN 5930-00-082-1655
NSN 6145-01-302-4913
NSN 5895-01-332-7142
NSN 5895-00-482-2742
NSN 6320-00-519-0770
NSN 2925-01-116-1683
NSN 5999-01-142-3931
NSN 5895-01-597-6051
NSN 6145-00-343-5967