A nut having wings designed for manual turning without driver or wrench.
NSN 5855-00-933-9978
NSN 5990-00-167-2692
NSN 5990-01-160-5967
NSN 6220-01-607-7316
NSN 6240-01-040-8138
NSN 5999-01-621-5554
NSN 5930-01-389-7164
NSN 6610-00-633-4338
NSN 5895-00-815-7905
NSN 5950-01-441-8711
NSN 5996-01-173-9789
NSN 5975-00-758-6000