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 5998-01-236-9141
NSN 5965-01-039-8557
NSN 4140-00-788-6098
NSN 5950-00-661-2612
NSN 6150-01-038-9364
NSN 6110-00-099-7113
NSN 5999-00-430-6174
NSN 5855-01-451-9380
NSN 5915-01-440-8846
NSN 5925-00-222-6199
NSN 6150-01-358-4781
NSN 4140-01-232-0537