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 6135-01-646-5986
NSN 5960-01-593-4760
NSN 5910-01-608-3772
NSN 5915-01-299-9613
NSN 5998-01-569-0317
NSN 5920-00-345-5833
NSN 5855-01-122-9418
NSN 6240-01-390-8672
NSN 5925-00-732-7530
NSN 2925-00-600-1668
NSN 5985-01-400-5948
NSN 5985-01-157-9426