A nut having wings designed for manual turning without driver or wrench.
NSN 6610-01-392-5555
NSN 5935-01-511-0106
NSN 5915-00-343-6814
NSN 5945-01-468-2816
NSN 5905-01-634-0595
NSN 5930-01-489-5667
NSN 5996-01-379-7978
NSN 5990-01-411-5930
NSN 6220-01-586-4043
NSN 5935-00-146-5817
NSN 5930-01-411-6534
NSN 5998-00-528-7403