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 6145-01-013-6116
NSN 6320-01-207-9038
NSN 6645-01-023-5264
NSN 5925-00-820-6415
NSN 5985-00-932-1630
NSN 5920-01-508-6562
NSN 6320-01-379-1182
NSN 5998-01-467-9196
NSN 6105-01-293-0872
NSN 4140-00-079-8453
NSN 6320-01-358-8069
NSN 5990-01-617-5156