Please fill out the form below for Synchro Assembly and get a quote for part number 10-1687 TYPE 4 by L 3 Communications Corporation with NSN 5990012568441 and FSC Name is 5990 Synchros and Resolvers, 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 10-1687 TYPE 4. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.