A nut having wings designed for manual turning without driver or wrench.
NSN 6610-01-027-8736
NSN 4140-01-039-8885
NSN 6220-00-099-9192
NSN 5855-01-573-5035
NSN 5996-01-421-0422
NSN 5925-01-591-5017
NSN 5990-01-241-9472
NSN 5835-00-827-1904
NSN 6320-01-335-8336
NSN 5915-01-077-9096
NSN 6685-00-430-5471
NSN 7035-01-461-7742