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 6320-01-294-7161
NSN 6645-00-556-1888
NSN 5935-01-098-3283
NSN 5999-00-988-7578
NSN 6145-01-161-0780
NSN 6645-00-503-1379
NSN 6650-01-394-9234
NSN 5910-01-235-4086
NSN 5965-01-374-8981
NSN 6145-01-247-9818
NSN 5965-01-488-6695
NSN 5930-01-624-6963