Part Number DC500FOFO5 having (CAGE Code A3958) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for DC500FOFO5 One Way Valve 1 2 by Parker Hannifin Spa. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.