A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 6650-01-466-5997
NSN 6685-00-203-2389
NSN 6145-00-248-4944
NSN 6620-00-020-6694
NSN 5960-01-614-8005
NSN 5985-01-303-6574
NSN 5925-01-550-4481
NSN 6145-01-184-0967
NSN 5990-01-210-9788
NSN 5945-01-492-9460
NSN 4140-01-578-6007
NSN 5925-00-026-4781