Part Number 51-08050-55 having (CAGE Code 59291) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for 51-08050-55 Parts Kit Diaphragm Replacement by Elkay Manufacturing Company. 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.