Please fill out the form below for Duct Assembly Air C and get a quote for part number 39-25216-1 by The Boeing Company with NSN 1660000051820 and FSC Name is 1660 Aircraft Air Conditioning Heating and Pressurizing Equipment, 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 39-25216-1. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.