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 5999-01-359-6522
NSN 5975-01-288-8295
NSN 5910-01-577-0389
NSN 5990-01-443-2931
NSN 6650-01-024-6425
NSN 5915-00-873-7061
NSN 5996-01-093-6971
NSN 6645-00-140-5173
NSN 5855-00-327-2112
NSN 5910-01-204-2154
NSN 6105-01-442-4343
NSN 5985-00-514-3882