A nut having wings designed for manual turning without driver or wrench.
NSN 4140-00-828-7113
NSN 6105-01-602-8187
NSN 4140-01-365-5555
NSN 5950-00-869-0115
NSN 5960-01-415-3574
NSN 6685-00-865-3423
NSN 5998-01-255-9432
NSN 6130-01-458-7867
NSN 6220-01-415-5584
NSN 6645-01-116-2037
NSN 5950-01-221-0565
NSN 5920-01-179-9739