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 6220-01-212-6248
NSN 5999-00-994-5828
NSN 6135-00-505-0679
NSN 6135-01-650-9371
NSN 5998-00-622-4648
NSN 5835-00-532-5910
NSN 4140-00-930-3293
NSN 5960-01-423-1085
NSN 6150-01-461-4105
NSN 5996-01-337-6190
NSN 6130-01-022-4884
NSN 7035-01-058-8728