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 5999-01-338-3510
NSN 5996-01-437-8824
NSN 6645-01-208-5090
NSN 5945-00-948-3673
NSN 6105-00-309-4586
NSN 5998-01-485-7621
NSN 6135-00-087-0333
NSN 6130-00-323-8300
NSN 5935-01-264-5520
NSN 4140-00-402-8291
NSN 6610-00-598-5268
NSN 4140-01-367-0791