Please fill out the form below for Valve Poppet and get a quote for part number L500050HS03 by Hydro Stack Mfg Corp with NSN 4820012134491 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 L500050HS03. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.