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 6650-00-324-4973
NSN 5975-00-397-9533
NSN 6650-01-035-2562
NSN 4140-00-811-2297
NSN 6620-00-820-9616
NSN 5930-01-289-1185
NSN 6645-00-754-4108
NSN 5935-01-325-9033
NSN 6650-00-838-8632
NSN 5975-01-476-3105
NSN 5915-01-334-6761
NSN 6685-01-587-4050