Please fill out the form below for Barium Sulfate Susp and get a quote for part number L178 by E Z Em Inc with NSN 6505012235426 and FSC Name is , 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 L178. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.