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 5975-01-487-4379
NSN 5999-01-118-9435
NSN 6685-01-090-2671
NSN 6620-01-490-5664
NSN 5930-00-898-0692
NSN 6685-01-066-2901
NSN 5998-01-634-0604
NSN 5930-01-406-3506
NSN 6220-00-734-0276
NSN 5930-01-033-7919
NSN 6110-01-252-6454
NSN 6320-01-116-3980