Please fill out the form below for Chain Roller and get a quote for part number 21542-05 by Prime Mover International Llc with NSN 3020013270144 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 21542-05. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.