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 5915-00-814-8342
NSN 6610-01-170-2905
NSN 6105-00-946-9833
NSN 6110-00-143-9931
NSN 5975-01-064-7232
NSN 5915-01-416-1528
NSN 6135-00-050-7189
NSN 5999-00-773-3493
NSN 5999-00-424-3100
NSN 6110-00-027-3950
NSN 5910-01-413-8634
NSN 5915-00-091-5242