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 5910-01-361-4674
NSN 5998-01-067-9359
NSN 5998-00-977-4011
NSN 6150-00-306-2020
NSN 6105-01-448-7843
NSN 5925-00-833-8291
NSN 5945-01-214-4136
NSN 6145-01-477-7120
NSN 5855-01-656-6808
NSN 5960-01-595-6515
NSN 6150-01-640-9589
NSN 5998-01-146-1600