Please fill out the form below for Piston Valve and get a quote for part number 399-03B by Magnatrol Valve Corporation with NSN 4810013689502 and FSC Name is 4810 Valves Powered, 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 399-03B. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.