Please fill out the form below for Closer Door and get a quote for part number A156-4 TYPE C02012 SIZE 3 by American National Standards with NSN 5340000000058 and FSC Name is 5340 Hardware Commercial, 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 A156-4 TYPE C02012 SIZE 3. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.