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 5996-01-246-8179
NSN 6610-01-627-8985
NSN 5895-00-513-0249
NSN 6645-00-258-8547
NSN 6610-01-649-5326
NSN 5835-01-193-6192
NSN 5950-01-122-9786
NSN 6130-01-421-8304
NSN 6685-01-624-7770
NSN 5835-01-587-8787
NSN 6110-01-580-0855
NSN 5965-01-555-7353