A nut having wings designed for manual turning without driver or wrench with an integral feature incorporated for locking on the threads of a mating member.
NSN 5935-00-596-6854
NSN 5905-00-146-4506
NSN 5920-01-461-5226
NSN 6620-00-333-9253
NSN 5960-01-432-6038
NSN 6110-00-250-5949
NSN 6150-00-195-1827
NSN 6135-01-584-0941
NSN 5920-01-447-0177
NSN 6685-00-947-4066
NSN 6105-01-340-5242
NSN 5920-01-139-4384