A nut having wings designed for manual turning without driver or wrench.
NSN 5895-01-207-7120
NSN 5920-00-359-4880
NSN 6620-00-844-4363
NSN 6620-01-630-6759
NSN 5910-01-445-1690
NSN 5960-01-241-1844
NSN 5925-01-383-1463
NSN 6610-01-616-1334
NSN 5945-01-034-3570
NSN 6645-01-046-8849
NSN 5930-01-526-4402
NSN 6150-01-273-6535