Part Number A63398 having (CAGE Code 98391) and FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components in stock with ready to ship. Get an instant quote for A63398 Valve Pressure Redu by Arkwin Industries Inc. 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.