Please fill out the form below for O Ring 103 W X 674 Id Preformed and get a quote for part number 1355-1363-638 by Woodward Governor Company, 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 1355-1363-638. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.