High Quality Reproduction National Cash Register Key #5.
This key was used on Brass cash registers with a printer door on it.
The 300 & 500 class was on the right side and the 400 class was on the left side.
See picture of the Model 92 or 400 Class for location of #5 lock on left side of cash register.
Notice the #5 cast into the brass just right of the lock.
It was also used on the 700, 800 & 900 class NCR's, and some other models.
E-mail any questions if you are not sure if it will work in your cash register.
Free shipping to the lower 48 States.