A screw, (as modified) to which has been assembled one or more nonremovable washer(s).
NSN 5998-01-576-9400
NSN 5855-01-497-8834
NSN 2925-01-467-7672
NSN 5998-00-810-5690
NSN 5965-00-871-2678
NSN 5930-01-389-7855
NSN 7035-00-470-4977
NSN 5975-00-085-4527
NSN 5950-01-454-9599
NSN 5935-00-468-6074
NSN 5996-01-435-5547
NSN 5925-01-618-7153