A nut having wings designed for manual turning without driver or wrench.
NSN 5925-01-160-7609
NSN 5996-01-291-2746
NSN 5935-01-624-4453
NSN 5945-00-168-2801
NSN 5935-01-304-4166
NSN 6645-01-209-0264
NSN 5835-01-519-1153
NSN 5910-00-375-1050
NSN 6240-01-334-1115
NSN 5930-01-074-2289
NSN 5990-00-406-4991
NSN 6610-01-426-5090