A nut having wings designed for manual turning without driver or wrench.
NSN 6650-01-500-8046
NSN 6650-00-898-4215
NSN 5960-01-031-0347
NSN 6645-00-456-2923
NSN 5905-00-249-1812
NSN 2925-01-660-0669
NSN 5905-01-560-7480
NSN 6135-01-468-6491
NSN 6610-00-277-7206
NSN 6150-01-299-2497
NSN 5935-01-003-2473
NSN 6130-01-386-5933