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 5945-01-555-8373
NSN 6610-01-108-0417
NSN 6620-00-459-1622
NSN 5975-01-441-7064
NSN 2925-01-537-5310
NSN 6105-01-467-7002
NSN 6320-00-433-2773
NSN 6650-01-200-7657
NSN 5996-01-172-1469
NSN 5950-00-067-6497
NSN 5996-01-610-6641
NSN 5985-01-146-0196