Please fill out the form below for Washer Shouldered and get a quote for part number 55A319 by Heil Environmental Industries with NSN 5310007000820 and FSC Name is 5310 Nuts and Washers, 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 55A319. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.