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 6145-00-617-4032
NSN 6650-00-068-2208
NSN 5965-01-265-6814
NSN 5998-01-170-9274
NSN 5930-01-444-3385
NSN 5910-01-501-5792
NSN 6220-01-452-4384
NSN 6135-01-255-4786
NSN 5990-01-287-1682
NSN 6135-00-274-4037
NSN 6650-01-044-5431
NSN 5950-01-219-8985