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 6620-01-096-3723
NSN 6610-01-032-5335
NSN 5950-00-597-8644
NSN 7035-00-349-8571
NSN 5975-00-481-3681
NSN 5990-01-199-4832
NSN 5975-01-589-8473
NSN 5950-01-161-1752
NSN 6610-01-304-3226
NSN 5895-01-625-7077
NSN 6240-00-287-1988
NSN 6135-01-593-9256