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 6320-01-440-4982
NSN 5855-01-651-9576
NSN 5998-01-085-6299
NSN 6620-00-912-9623
NSN 6610-01-641-7448
NSN 5996-01-370-4940
NSN 5985-01-122-8212
NSN 6620-01-178-4771
NSN 6150-01-152-2650
NSN 6650-01-451-0590
NSN 5950-00-831-2890
NSN 5990-01-056-0893