1stoppinball

1/4-20 Coin Door Whiz Flange Locknut

This nut attaches the coin door frame to the cabinet.  On Williams/Bally games (WPC/WPC era) it also attaches the hinge to the back box. 

Used in conjunction with the 1/4-20 carriage bolt.

Williams/Bally reference #4420-01141-00.

Data East/Sega/Stern reference #240-5300-00.