Product ID: ASW-A10-45
Bally Secondary End Of Stroke Switch - Normally Open

Normally open Bally secondary end of stroke switch used on many Bally pinball machines. 
Often used in conjunction with end of stroke switch ASW-A20-23.
Bally reference #ASW-A10-45
Williams reference #SW-1010A-12.
Stern reference #SW-481.