A screw, (as modified) to which has been assembled one or more nonremovable washer(s).
NSN 5930-00-843-6585
NSN 5990-01-408-6554
NSN 6110-00-843-0498
NSN 5975-01-235-3094
NSN 5930-01-391-6557
NSN 6610-01-334-3157
NSN 5985-00-337-6819
NSN 5915-00-463-6623
NSN 6220-01-417-3226
NSN 5996-00-117-4337
NSN 5835-01-247-2634
NSN 6645-00-983-2046