No other part numbers with same form, fit, and function found.
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.
NSN 5965-01-064-0263
NSN 5975-01-619-6725
NSN 5905-00-708-0891
NSN 5998-01-605-2824
NSN 5960-01-090-2065
NSN 5935-01-334-8052
NSN 6620-01-448-1423
NSN 5920-01-348-5986
NSN 5960-00-707-3335
NSN 6130-01-525-7519
NSN 5950-01-188-7776
NSN 6110-01-030-1264