Please fill out the form below for Valve Restrictor and get a quote for part number 15B23231-0 by Air Cruisers Company Llc, 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 15B23231-0. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.