Please fill out the form below for Heat Sink Subassy and get a quote for part number 6615-99-1990123 by Nato Stock Number Assigned with NSN 6615004677278 and FSC Name is 6615 Automatic Pilot Mechanisms and Airborne Gyro 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 6615-99-1990123. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.