Part Number 290MR54P1 having (CAGE Code 04164) and FSC 5960 Electron Tubes and Associated Hardware in stock with ready to ship. Get an instant quote for 290MR54P1 Electron Tube by Raytheon Electronic Systems 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.