Please fill out the form below for Milling Machine Pro and get a quote for part number 64-421R688-1 by Cincinnati Machine Llc with NSN 3417002957946 and FSC Name is 3417 Milling Machines, 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 64-421R688-1. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.