A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5975-00-388-9062
NSN 5895-00-321-5216
NSN 5945-00-521-4847
NSN 5975-01-316-9339
NSN 5925-00-437-2854
NSN 5960-00-407-7705
NSN 5920-00-820-1328
NSN 5965-01-360-0454
NSN 4140-01-190-6460
NSN 5915-01-505-6106
NSN 6610-00-335-0091
NSN 6320-01-299-6367