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 5910-01-009-4483
NSN 5990-01-128-3758
NSN 5998-01-555-8489
NSN 4140-01-198-9990
NSN 5835-01-085-3008
NSN 5935-01-243-9213
NSN 5990-00-995-6071
NSN 5835-00-289-9080
NSN 6135-01-412-0404
NSN 5895-01-551-7117
NSN 6150-00-537-4333
NSN 5985-00-833-8063