Part Number M16 19191B having (CAGE Code 9F512) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for M16 19191B Valve Regulating Fluid Pressure by Parker Hannifin Corp. 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.