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 6610-01-474-6333
NSN 5985-01-572-4282
NSN 6130-01-596-0289
NSN 6650-00-578-6543
NSN 4140-01-505-5986
NSN 5895-01-567-6573
NSN 6105-00-838-9409
NSN 5915-01-517-0374
NSN 5975-01-535-1616
NSN 5855-01-221-4076
NSN 7035-00-569-7585
NSN 7035-01-340-7754