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 6650-00-698-5869
NSN 5910-00-097-8062
NSN 5999-01-244-9805
NSN 5925-01-021-5365
NSN 6135-00-488-4478
NSN 6645-01-571-8578
NSN 6220-01-145-4993
NSN 5998-01-320-1195
NSN 6220-00-643-4045
NSN 4140-01-175-6035
NSN 5915-01-299-9613
NSN 6130-01-025-4370