Please fill out the form below for Insulating Compound Electrical and get a quote for part number STB 8-188A 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 STB 8-188A. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.