Double hexagon
A nut on which has been assembled a nonremovable washer. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 6645-01-148-9063
NSN 5920-01-102-6728
NSN 5930-01-460-6958
NSN 5975-00-374-5245
NSN 5915-01-508-5636
NSN 6105-00-186-9380
NSN 7035-00-803-3056
NSN 5998-00-212-4406
NSN 5935-01-412-3847
NSN 5950-01-116-3342
NSN 6645-00-959-6502
NSN 5935-00-066-7982