Please fill out the form below for Filter Band Pass and get a quote for part number BU-3B50-20.0 2-BB by Quartztek Inc with NSN 5915012884092 and FSC Name is 5915 Filters and Networks, 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 BU-3B50-20.0 2-BB. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.