Please fill out the form below for Transformer Radio F and get a quote for part number ZN8404 by Singer Co The Instrumentation Div with NSN 5950007345498 and FSC Name is 5950 Coils and Transformers, 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 ZN8404. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.