A nut having wings designed for manual turning without driver or wrench.
NSN 6240-01-009-8729
NSN 6150-01-357-1569
NSN 6645-00-796-7206
NSN 6240-01-533-3770
NSN 6650-00-527-7451
NSN 5910-01-651-5176
NSN 6135-00-917-1894
NSN 2925-01-372-9455
NSN 5920-00-155-2173
NSN 7035-01-296-4737
NSN 7035-01-194-9482
NSN 6650-01-474-8972