A plain nut on which has been assembled a nonremovable washer.
Classification: Nuts of iron or steel
NSN 4140-01-032-0718
NSN 5950-00-003-8228
NSN 6620-00-059-6561
NSN 5965-00-237-8049
NSN 5999-01-092-1426
NSN 6645-01-390-1533
NSN 2925-01-507-4797
NSN 5835-01-286-6499
NSN 2925-01-440-9912
NSN 5925-01-171-8932
NSN 5975-00-451-7208
NSN 6110-01-249-6404