A nut having wings designed for manual turning without driver or wrench.
NSN 5960-01-468-5785
NSN 6220-00-272-7497
NSN 6130-01-620-8326
NSN 5999-00-972-4706
NSN 5895-01-597-1466
NSN 5960-01-029-2940
NSN 6145-00-394-9120
NSN 7035-00-092-4356
NSN 5910-01-566-4375
NSN 4140-01-393-3015
NSN 5915-01-617-1005
NSN 5998-00-204-6062