Please fill out the form below for Retainer Assembly Hinge Pin and get a quote for part number 69-4012-3004 by Boeing Company The, 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 69-4012-3004. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.