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 5999-00-563-5451
NSN 5985-01-237-2570
NSN 5945-00-618-0199
NSN 5975-00-445-1396
NSN 2925-00-431-9369
NSN 5910-00-914-9960
NSN 6105-00-189-0515
NSN 6220-00-032-3340
NSN 6145-00-399-5201
NSN 6610-01-458-1988
NSN 5895-01-381-1785
NSN 5945-00-835-9972