A screw, (as modified) to which has been assembled one or more nonremovable washer(s).
NSN 6135-00-932-3136
NSN 6105-01-102-6641
NSN 5960-00-097-7007
NSN 6150-00-050-9613
NSN 7035-00-104-7613
NSN 5930-00-597-5064
NSN 5990-01-172-4553
NSN 6135-01-285-8807
NSN 6145-00-909-0614
NSN 6645-01-535-7136
NSN 5996-01-230-8671
NSN 5999-01-614-9862