Please fill out the form below for Valve Globe and get a quote for part number 1B440 1 4IN by Hammond Valve Corp with NSN 4820013835724 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 1B440 1 4IN. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.