Please fill out the form below for Electron Tube and get a quote for part number 4PR250C by Varian Associates Inc with NSN 5960009583154 and FSC Name is 5960 Electron Tubes and Associated Hardware, please include required quantity along with expected turn around time. Our knowledgeable account manager will reply you shortly. Also check for the related parts for part number 4PR250C. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.