A nut having wings designed for manual turning without driver or wrench.
NSN 5998-01-508-5090
NSN 5835-00-378-1429
NSN 6105-01-372-9157
NSN 5950-01-282-3926
NSN 5835-01-158-6878
NSN 5960-01-289-9733
NSN 5835-00-450-0079
NSN 5905-00-675-4889
NSN 6105-01-418-1877
NSN 5965-01-180-5468
NSN 5935-01-019-5448
NSN 6130-00-981-3368