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 5835-00-632-8621
NSN 5985-00-212-7690
NSN 6620-01-585-5647
NSN 5975-01-306-0832
NSN 2925-01-115-8072
NSN 2925-01-058-1718
NSN 6105-01-373-5164
NSN 4140-01-519-1093
NSN 2925-01-346-9522
NSN 5990-00-678-0885
NSN 5905-01-132-8491
NSN 6105-01-058-2040