A nut having wings designed for manual turning without driver or wrench.
NSN 6240-01-077-3788
NSN 6320-01-578-6006
NSN 6240-01-279-3614
NSN 7035-00-104-7613
NSN 6110-01-157-9341
NSN 6130-01-543-5798
NSN 5996-01-048-7758
NSN 6320-01-332-7020
NSN 6110-01-546-0652
NSN 6320-01-384-3850
NSN 5930-01-420-0842
NSN 5935-00-692-9042