Please fill out the form below for Valve Vacuum Regula and get a quote for part number 8 3-4FEMALEMALEH0SETHREAD by Watts Regulator Co with NSN 4820001643377 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 8 3-4FEMALEMALEH0SETHREAD. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.