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 4140-00-949-1659
NSN 5960-01-063-6846
NSN 5935-01-425-8184
NSN 5930-01-521-5600
NSN 5985-01-440-9976
NSN 2925-00-215-4954
NSN 5925-01-230-3405
NSN 5855-00-361-0167
NSN 2925-00-737-6476
NSN 6150-01-610-0080
NSN 6135-00-416-2898
NSN 6240-01-156-5549