Please fill out the form below for Switch Fiber Optic and get a quote for part number E5020TFSM by Acterna Corporation with NSN 6021015378851 and FSC Name is 6021 Fiber Optic Switches, 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 E5020TFSM. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.