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 5910-01-025-9987
NSN 5835-01-359-2575
NSN 6320-01-162-5977
NSN 5930-00-660-4417
NSN 5920-00-555-1877
NSN 5975-01-044-0523
NSN 6220-00-967-0062
NSN 6105-01-263-8425
NSN 6645-01-368-1508
NSN 6220-01-127-0506
NSN 5905-00-777-3494
NSN 6240-00-060-1891