Please fill out the form below for Ring Retaining and get a quote for part number 506-0017 PC NO 2 by Portland Valve Llc with NSN 5325015232642 and FSC Name is 5325 Fastening Devices, 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 506-0017 PC NO 2. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.