Please fill out the form below for Heat Sink Top Unit and get a quote for part number 800402-0000 by Butler National Corp with NSN 5999011313942 and FSC Name is 5999 Miscellaneous Electrical and Electronic Components, 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 800402-0000. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.