Please fill out the form below for Synchro Differentia and get a quote for part number SK139537 by Navair And Navsea Managed with NSN 5990006440090 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 SK139537. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.