Please fill out the form below for Stone Commutator Su and get a quote for part number ANSI-B74.12 by American National Standards with NSN 5345014226323 and FSC Name is 5345 Disks and Stones Abrasive, 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 ANSI-B74.12. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.