Part Number JMS-6383 having (CAGE Code 74965) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for JMS-6383 Seat Valve by Clarkreliance Corporation. 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.