Please fill out the form below for Stem Needle Valve and get a quote for part number 9431-04-0000-500 by George W Dahl Inc with NSN 4820013443926 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 9431-04-0000-500. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.