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 5905-00-996-3668
NSN 5895-01-613-5806
NSN 6145-01-576-9609
NSN 6685-00-890-7789
NSN 6105-01-422-0510
NSN 5855-00-885-8452
NSN 5905-01-285-2441
NSN 5895-01-570-6189
NSN 6135-00-461-3590
NSN 5920-01-369-1801
NSN 5855-01-145-8973
NSN 6110-01-007-3790