Please fill out the form below for Muffler Exhaust and get a quote for part number 311-90091 by Automation Products Group Inc with NSN 2990008696567 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 311-90091. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.