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 6110-01-391-7542
NSN 4140-01-553-5767
NSN 6320-00-937-5625
NSN 6105-01-044-2559
NSN 6240-01-361-8797
NSN 5925-01-602-7521
NSN 6240-00-034-5909
NSN 5855-01-203-4719
NSN 5855-00-688-9954
NSN 5935-00-054-1514
NSN 6645-00-796-7206
NSN 6220-01-598-6900