A plain nut on which has been assembled a nonremovable washer.
Classification: Nuts of iron or steel
NSN 6645-00-171-9639
NSN 6240-01-435-6505
NSN 2925-01-244-3016
NSN 6220-00-188-7525
NSN 5990-00-964-9672
NSN 5990-00-607-0117
NSN 5915-01-076-2790
NSN 6145-00-586-7686
NSN 6650-01-381-2117
NSN 5985-01-429-7991
NSN 6220-01-116-2411
NSN 6320-01-159-2211