Please fill out the form below for Switch Pressure and get a quote for part number 70-3900 S535 by Transicoil Llc with NSN 5930012434134 and FSC Name is 5930 Switches, 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 70-3900 S535. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.