Valve, Humphrey, 3-Way Toggle 2-Position Normally Closed, Detented Valve.
Model 3V is a 3-position, 3-way, normally closed, detented valve, having a single direction throw with pinned fever. The 3V has no exhaust port and will trap downstream pressure if supply pressure is maintained but not exceeded. IN and CYL port threads are # 10-32 female. Alternate IN is 1/6 inch NPT male. These valves are furnished with locknuts and lockwashers for 15/32-32 X 9/32 toggle collar threads. Weight: 1.25 oz. (35.2 gms)