A nut having wings designed for manual turning without driver or wrench.
NSN 5960-01-530-0581
NSN 6130-01-158-4922
NSN 4140-01-412-0794
NSN 6645-01-357-3018
NSN 2925-00-964-7128
NSN 6150-01-056-5288
NSN 5945-00-302-6933
NSN 5998-00-419-0425
NSN 5935-01-112-4412
NSN 6220-01-255-0258
NSN 5996-00-946-2708
NSN 6110-00-014-8160