Part Number 13937 having (CAGE Code 70334) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for 13937 Valve Expansion by Alter Harry Co The Div Of T E C. 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.