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 5835-01-519-3834
NSN 5960-00-420-0418
NSN 5935-01-421-9819
NSN 5905-01-474-5173
NSN 6645-01-214-4550
NSN 6685-00-988-5222
NSN 5975-00-472-6042
NSN 5996-00-959-6511
NSN 5935-01-494-9610
NSN 6150-01-624-2126
NSN 6130-00-246-5906
NSN 5950-01-397-6648