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 5960-00-188-8648
NSN 7035-01-354-9382
NSN 5950-01-435-6354
NSN 5975-01-210-0877
NSN 5999-01-119-6569
NSN 5910-01-364-8381
NSN 6220-01-523-7685
NSN 6685-00-248-5820
NSN 5930-01-421-1798
NSN 6320-01-521-1764
NSN 5999-01-612-1596
NSN 4140-00-836-6319