Part Number 255580 ASSY RG having (CAGE Code 43689) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for 255580 ASSY RG Valve Assembly Ball by Huntington Ingalls Incorporated. 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.