Please fill out the form below for Switch Radio Freque and get a quote for part number S1SMA by Watkins Johnson Intl with NSN 5985010400604 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 S1SMA. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.