Please fill out the form below for Insulation Sleeving Electrical and get a quote for part number TFI 1 4 by Eis Inc with NSN 5970012490559 and FSC Name is 5970 Electrical Insulators and Insulating Materials, 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 TFI 1 4. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.