Part Number B15813 PART B15819-1 having (CAGE Code 1W505) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for B15813 PART B15819-1 Disk Valve by Speco Corp. 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.