Part Number X4B51-30 1.7-O having (CAGE Code 50140) and FSC 5915 Filters and Networks in stock with ready to ship. Get an instant quote for X4B51-30 1.7-O Filter Assembly Electrical by Kl Microwave 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.