A nut having wings designed for manual turning without driver or wrench.
NSN 6130-00-522-1807
NSN 6110-00-179-5964
NSN 5985-01-432-2483
NSN 5905-01-558-5059
NSN 5950-00-960-0357
NSN 6135-00-985-7887
NSN 5915-01-445-1674
NSN 5999-00-883-5921
NSN 5910-01-191-7504
NSN 5855-01-129-1327
NSN 4140-01-459-5374
NSN 6685-00-196-0304