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 5835-01-416-6449
NSN 6685-00-516-2173
NSN 6150-01-218-5655
NSN 6320-01-627-8295
NSN 5920-01-461-3214
NSN 6240-00-019-3186
NSN 6620-00-490-3978
NSN 6150-00-081-2063
NSN 5965-01-337-8104
NSN 5996-01-030-9694
NSN 5835-00-905-7165
NSN 5996-01-653-7237