Please fill out the form below for Valve Ball and get a quote for part number F20-08947 ASSEMBLY B by Portland Valve Llc with NSN 4820012018001 and FSC Name is 4820 Valves Nonpowered, 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 F20-08947 ASSEMBLY B. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.