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 6320-00-779-5923
NSN 6145-00-955-1993
NSN 6240-01-609-2301
NSN 6240-01-645-6782
NSN 5998-01-139-5818
NSN 6685-00-583-2473
NSN 5895-01-598-6123
NSN 5945-00-674-4627
NSN 5965-00-577-1242
NSN 5915-01-033-9269
NSN 5985-00-869-6407
NSN 5915-01-057-2824