Please fill out the form below for Cutting Attachment and get a quote for part number 42390 by Ridge Tool Co Inc with NSN 3419002297952 and FSC Name is 3419 Miscellaneous Machine Tools, 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 42390. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.