A nut on which has been assembled a nonremovable washer. An integral feature is incorporated for locking on the threads of a mating member.
NSN 5925-01-114-0907
NSN 5930-01-338-7961
NSN 6610-00-925-0935
NSN 5945-01-618-5312
NSN 6135-00-010-5275
NSN 6620-01-535-6925
NSN 6240-01-324-6569
NSN 4140-01-362-7174
NSN 6105-00-758-4190
NSN 4140-01-208-8964
NSN 6220-01-365-5606
NSN 5990-01-272-4091