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 6240-00-991-6929
NSN 6620-01-201-4177
NSN 5835-01-020-0050
NSN 6620-00-841-0346
NSN 5895-01-032-5513
NSN 6620-00-082-1525
NSN 5999-01-081-7300
NSN 2925-00-612-7420
NSN 5950-01-556-7989
NSN 6645-01-389-1588
NSN 6130-00-421-6746
NSN 5975-01-519-1435