Please fill out the form below for Portable Oxygen Unit and get a quote for part number 5500-A6A-BF23A by Zodiac Aerospace, 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 5500-A6A-BF23A. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.