Please fill out the form below for Sensor Amplifier Sp and get a quote for part number 3500-19-81 by Elmwood Sensors Inc with NSN 5965014089551 and FSC Name is 5965 Headsets Handsets Microphones and Speakers, 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 3500-19-81. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.