Opto board
CALIFORNIA WARNING
This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. For more information, go to https://www.p65warnings.ca.gov.
Bell opto board for late model Stern pinball machines.
Reference:
520-5292-00
Select manufacturer to view game compatibility

Spacer - stainless 1/4 OD x 13/16 inch
Spacer - plastic standoff #4 x 3/16 x 1/8 inch
Spacer - plastic standoff #4 x 3/16 OD x .312 inch

Dual-opto receiver board assembly with grommets. Replaces 520-5174-00 without grommets
Spacer - plastic standoff #4 x 3/16 x 3/16 inch
Opto board Stern straight plug