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 5835-01-241-1090
NSN 5998-01-332-9659
NSN 5975-00-958-9713
NSN 6135-01-445-6589
NSN 6320-01-082-2970
NSN 5915-00-840-4903
NSN 5895-00-627-9705
NSN 6135-00-803-3012
NSN 6650-01-423-1348
NSN 5835-01-077-6278
NSN 6145-01-644-2556
NSN 6105-01-419-4794