Please fill out the form below for Gearshaft Map and get a quote for part number 20503 by Mandzak Instrumentation with NSN 3040009938155 and FSC Name is 3040 Miscellaneous Power Transmission 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 20503. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.