Please fill out the form below for Cord Assembly Elast and get a quote for part number 2139954 by Boeing Company The with NSN 4020001243543 and FSC Name is 4020 Fiber Rope Cordage and Twine, 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 2139954. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.