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 6105-00-252-9017
NSN 5935-01-285-5768
NSN 6610-01-452-6774
NSN 5925-01-507-4152
NSN 2925-01-285-0919
NSN 4140-01-259-8083
NSN 5985-01-630-9101
NSN 5905-00-454-2807
NSN 6240-01-383-6877
NSN 5930-01-264-3884
NSN 6145-01-277-8165
NSN 5915-00-137-8122