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 5950-00-266-2511
NSN 6135-00-819-8074
NSN 7035-01-145-5059
NSN 6240-00-342-9756
NSN 5855-01-488-4468
NSN 5930-00-042-9723
NSN 5990-00-121-2134
NSN 5925-00-465-4534
NSN 6240-01-480-8996
NSN 5935-00-248-4734
NSN 5999-01-074-4841
NSN 2925-00-497-7808