Please fill out the form below for Washer 255 Id X 063 Thk and get a quote for part number NAS620-416 by Ge Aviation Systems 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 NAS620-416. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.