Part Number 177-4R3-K1-E having (CAGE Code 18034) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for 177-4R3-K1-E Repair Kit Valve by Nupro 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.