Please fill out the form below for Retainer Assembly and get a quote for part number 12R63-28A by Hydraflow with NSN 1680013535914 and FSC Name is 1680 Miscellaneous Aircraft Accessories and Components, 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 12R63-28A. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.