Please fill out the form below for O Ring and get a quote for part number 55S-0161M-0040 by Ametek Inc with NSN 5331012596186 and FSC Name is 5331 O-Ring, 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 55S-0161M-0040. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.