Please fill out the form below for Gear Spur and get a quote for part number B21349 by Litton Systems Inc with NSN 3020005172147 and FSC Name is 3020 Gears Pulleys Sprockets and Transmission Chain, 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 B21349. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.