Please fill out the form below for Coupling Shaft Flexible and get a quote for part number 664-3M3M by Helical Products Company Inc with NSN 3010007386244 and FSC Name is 3010 Torque Converters and Speed Changers, 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 664-3M3M. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.