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 6620-01-161-8034
NSN 6320-00-382-7825
NSN 6610-00-738-7704
NSN 6685-01-599-2510
NSN 6135-00-284-1406
NSN 6110-00-816-9715
NSN 5965-01-641-6406
NSN 5965-01-633-8849
NSN 4140-01-446-7249
NSN 2925-01-217-0465
NSN 5996-01-589-0352
NSN 5965-01-101-9094