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 2925-00-923-4397
NSN 5935-00-808-5642
NSN 5999-00-917-6951
NSN 7035-01-487-2631
NSN 5998-01-293-1311
NSN 5975-01-357-5941
NSN 5975-00-922-5480
NSN 5990-01-548-5979
NSN 6610-01-603-0065
NSN 6320-01-445-8192
NSN 6135-01-519-7879
NSN 5985-01-457-6059