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 6645-00-538-2904
NSN 6620-01-446-6571
NSN 5920-00-784-5214
NSN 5935-01-048-3280
NSN 5835-01-013-8797
NSN 6150-01-446-3499
NSN 5915-01-042-4166
NSN 6220-00-353-5730
NSN 5895-01-409-2949
NSN 6135-01-483-5269
NSN 6645-01-314-2889
NSN 5965-01-460-4172