A nut having wings designed for manual turning without driver or wrench.
NSN 5998-01-631-3197
NSN 6220-00-422-4461
NSN 5905-01-648-2685
NSN 5945-00-908-3618
NSN 6240-01-361-3499
NSN 5998-00-057-4589
NSN 5996-01-091-4836
NSN 5920-00-613-0114
NSN 6220-01-607-1917
NSN 6130-01-535-0077
NSN 5910-00-547-8778
NSN 5910-00-130-5460