Please fill out the form below for Valve Release and get a quote for part number P49-389 by Bell Helicopter Textron Inc with NSN 4820016478218 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 P49-389. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.