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 5925-01-559-7421
NSN 5965-01-648-5763
NSN 5905-01-300-8290
NSN 6150-00-100-4373
NSN 6110-01-086-8076
NSN 5935-01-224-9775
NSN 6135-00-767-0331
NSN 6130-00-078-9310
NSN 5998-00-700-0590
NSN 5925-01-575-3243
NSN 6145-00-152-9954
NSN 6610-00-100-1195