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 5930-00-057-4385
NSN 5950-01-321-8000
NSN 6220-01-452-7916
NSN 5990-01-411-8548
NSN 6145-00-316-2608
NSN 5960-01-564-5044
NSN 5985-01-052-3746
NSN 5998-01-274-7665
NSN 4140-01-261-4741
NSN 6150-01-474-5199
NSN 5990-00-969-6565
NSN 5855-01-446-9545