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 5920-01-426-4207
NSN 5915-01-097-6519
NSN 6650-01-573-7165
NSN 6650-01-576-6512
NSN 6240-01-043-4532
NSN 6145-00-242-0569
NSN 5915-01-165-0198
NSN 6685-01-433-3057
NSN 6650-01-534-8357
NSN 5945-01-080-0904
NSN 5965-01-518-0623
NSN 5895-00-684-2270