A nut having wings designed for manual turning without driver or wrench.
NSN 5950-01-359-4854
NSN 5960-00-584-4553
NSN 5915-01-551-3109
NSN 5905-01-506-6544
NSN 6685-01-469-3025
NSN 5990-00-644-3365
NSN 6130-01-237-5992
NSN 6135-01-595-4779
NSN 6620-01-074-9377
NSN 5990-01-291-4587
NSN 5990-01-282-0570
NSN 5990-01-658-9964