Please fill out the form below for Lockset Door and get a quote for part number 20318-409 by Bell Helicopter Textron Inc, 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 20318-409. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.