Please fill out the form below for Shield Electron Tub and get a quote for part number 109-501-4 by Atlee Of Delaware Incorporated with NSN 5960005576126 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 109-501-4. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.