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 5985-01-384-2725
NSN 5950-01-632-7956
NSN 5990-01-476-9956
NSN 5996-01-327-0220
NSN 6130-01-545-0871
NSN 6610-01-487-6843
NSN 6320-01-492-1976
NSN 5905-01-249-9937
NSN 5990-01-128-7599
NSN 6150-01-295-8958
NSN 5985-01-153-0781
NSN 5895-01-278-4288