Part Number K33087D having (CAGE Code 57285) and FSC 5960 Electron Tubes and Associated Hardware in stock with ready to ship. Get an instant quote for K33087D Retainer Electron Tube by Beta Labs Inc A B And Millen Mfg Div. 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.