Please fill out the form below for Valve Assembly Mani and get a quote for part number 300900-50-OXY by Mcnaughton Dynamics Ltd with NSN 4820014704393 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 300900-50-OXY. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.