Please fill out the form below for Sprocket Assembly and get a quote for part number P31773B by Out Gerber Scientific Products Inc with NSN 3020013975020 and FSC Name is 3020 Gears Pulleys Sprockets and Transmission Chain, 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 P31773B. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.