Used on pratt & whitney jet engines & comp
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.
NSN 5985-01-634-0635
NSN 6135-00-777-5562
NSN 6130-01-148-6511
NSN 5855-01-034-3845
NSN 6645-01-165-3785
NSN 6610-00-337-5483
NSN 6645-01-026-6659
NSN 5920-00-891-2771
NSN 6320-01-125-3361
NSN 6135-00-416-2898
NSN 6650-01-321-2905
NSN 6650-00-850-3312