ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry. Please fill out the form below for Valve Check and get a quote for part number 505-0-011 REV B ITEM NO. 1 by Maritime Applied Physics Corp with NSN 4820016071176 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 505-0-011 REV B ITEM NO. 1.