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 5910-01-319-5197
NSN 5998-01-647-5395
NSN 5985-00-274-9778
NSN 5996-01-476-2131
NSN 5985-00-099-3991
NSN 5895-00-447-0550
NSN 5895-01-483-1806
NSN 5925-01-367-6118
NSN 6240-01-231-9243
NSN 5910-01-485-3137
NSN 6130-01-648-4857
NSN 6650-01-519-3326