Please fill out the form below for Coupler Directional and get a quote for part number S90-139 by Microwave Engineering Corporation with NSN 5985013751938 and FSC Name is 5985 Antennas Waveguides and Related Equipment, 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 S90-139. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.