Part Number 747 1 2 having (CAGE Code 37239) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for 747 1 2 Valve Ball by Lunkenheimer Co. 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.