A nut having wings designed for manual turning without driver or wrench.
NSN 5990-01-074-2210
NSN 6130-01-538-8698
NSN 5935-01-266-1317
NSN 6145-01-059-2081
NSN 6135-00-793-1809
NSN 5930-00-528-9246
NSN 6105-00-465-2785
NSN 6620-00-819-5046
NSN 5990-00-090-3829
NSN 5950-00-540-9283
NSN 5910-01-328-7513
NSN 5915-00-528-1192