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 6150-01-542-4491
NSN 5996-01-123-9038
NSN 5945-00-899-8815
NSN 6610-01-553-1317
NSN 6220-01-012-2191
NSN 6105-01-044-7321
NSN 5930-01-534-5904
NSN 5945-00-244-8430
NSN 6110-00-977-8534
NSN 5930-00-845-0639
NSN 5895-01-118-1357
NSN 5920-00-461-2621