Please fill out the form below for Switch Lock Ignitio and get a quote for part number 1MR 4328M by Mack Trucks Inc with NSN 2920015547800 and FSC Name is 2920 Engine Electrical System Components Nonaircraft, 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 1MR 4328M. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.