Please fill out the form below for Backing Ring and get a quote for part number 1-30035-058 by Messier Dowty Inc with NSN 5330004533077 and FSC Name is 5330 Packing and Gasket Materials, 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 1-30035-058. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.