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 5905-01-119-5668
NSN 5930-01-017-0545
NSN 5915-01-180-2870
NSN 5915-00-636-9785
NSN 7035-01-568-5351
NSN 5996-00-189-2322
NSN 5998-00-335-9051
NSN 5950-01-121-7149
NSN 6610-01-393-1141
NSN 6220-00-079-2943
NSN 6650-00-854-0265
NSN 5965-01-113-9061