Part Number E-4558 ITEM NO. 186 having (CAGE Code 07524) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for E-4558 ITEM NO. 186 Valve Gate by Dover Fluid Management Inc. 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.