A nut having wings designed for manual turning without driver or wrench.
NSN 5920-01-439-8566
NSN 6320-01-390-5385
NSN 5945-00-202-9741
NSN 6320-01-362-9518
NSN 5965-01-453-7504
NSN 5950-01-293-5074
NSN 6620-01-456-0529
NSN 5935-01-511-6212
NSN 6150-01-289-1283
NSN 6645-01-265-2746
NSN 6685-01-646-3000
NSN 6645-00-664-4665