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 4140-00-099-9205
NSN 6130-01-113-0036
NSN 6685-01-206-5218
NSN 5915-01-615-1675
NSN 6650-01-265-2672
NSN 6645-01-265-0648
NSN 5985-01-386-4159
NSN 5998-01-224-9125
NSN 5895-01-077-0107
NSN 6320-01-125-3361
NSN 5910-01-388-2673
NSN 5930-00-991-2127