A nut having wings designed for manual turning without driver or wrench.
NSN 5905-01-032-4681
NSN 6610-01-249-7989
NSN 6320-01-384-3850
NSN 6320-01-212-8749
NSN 5998-01-649-6429
NSN 5935-01-054-7473
NSN 5945-01-227-1589
NSN 2925-01-159-0506
NSN 6105-01-159-0050
NSN 6145-01-265-0522
NSN 6320-01-592-4567
NSN 2925-00-242-7688