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 6240-01-571-7706
NSN 6130-00-352-2317
NSN 5915-00-064-5666
NSN 4140-01-554-2603
NSN 5935-01-368-0768
NSN 5855-01-521-8616
NSN 7035-01-224-5165
NSN 6685-01-619-9937
NSN 6645-01-328-1034
NSN 5915-01-132-3085
NSN 6650-01-075-6642
NSN 6130-01-394-9406