A nut having wings designed for manual turning without driver or wrench.
NSN 5975-01-274-5344
NSN 6130-01-614-5039
NSN 6620-01-044-3371
NSN 5950-01-102-5685
NSN 5945-00-188-8954
NSN 5930-00-727-5471
NSN 5910-01-297-3447
NSN 5925-01-627-0259
NSN 5998-00-158-3192
NSN 6110-01-270-6522
NSN 4140-01-054-3553
NSN 5996-00-683-5176