Please fill out the form below for Coupling Electrical and get a quote for part number TK-121 by Thomas And Betts Corp with NSN 5975011743568 and FSC Name is 5975 Electrical Hardware and Supplies, 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 TK-121. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.