Please fill out the form below for Valve Linear Directional Control and get a quote for part number 4109 by Hanna Corp with NSN 4820010199988 and FSC Name is 4820 Valves Nonpowered, 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 4109. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.