A screw, (as modified) to which has been assembled one or more nonremovable washer(s).
NSN 5999-00-924-9112
NSN 5965-00-755-4657
NSN 5930-00-988-5483
NSN 5999-01-361-7117
NSN 6650-00-888-7956
NSN 6135-01-422-1440
NSN 5996-01-158-9695
NSN 5998-01-330-6096
NSN 5930-01-236-8157
NSN 5935-01-574-2566
NSN 5930-00-912-7538
NSN 5985-00-543-9144