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 4140-00-148-7013
NSN 6240-01-446-7851
NSN 6645-00-155-2398
NSN 5835-01-052-8464
NSN 6610-01-345-1110
NSN 5950-01-597-9612
NSN 5935-00-347-4201
NSN 5925-01-031-0663
NSN 5935-00-905-8349
NSN 5945-01-148-1138
NSN 5996-00-661-1151
NSN 5915-01-243-1841