Please fill out the form below for Valve Globe and get a quote for part number W4-254BB 23250 by Velan Valve Corp with NSN 4820009644648 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 W4-254BB 23250. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.