Please fill out the form below for Coupling Shaft Flex and get a quote for part number K39004 by Electronic Instrument And Specialty with NSN 3010002031635 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 K39004. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.