Please fill out the form below for Pipe Exhaust and get a quote for part number 669-553 by American Coleman Company The with NSN 2990008916762 and FSC Name is 2990 Miscellaneous Engine Accessories Nonaircraft, 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 669-553. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.