Please fill out the form below for Rib Stiffener Aircr and get a quote for part number 74A230900-2005 by Boeing Company The with NSN 1560016249284 and FSC Name is 1560 Airframe Structural 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 74A230900-2005. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.