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 6130-00-917-4222
NSN 6620-00-243-1759
NSN 6650-01-376-1692
NSN 6685-01-463-8335
NSN 5930-01-301-9826
NSN 6145-01-466-9554
NSN 5985-01-537-9309
NSN 5998-01-392-3078
NSN 5855-01-286-9928
NSN 7035-01-126-3239
NSN 6150-01-215-3202
NSN 6150-00-341-3860