Please fill out the form below for Pitot Tube and get a quote for part number 851AH by Rosemount Inc with NSN 6610010331327 and FSC Name is 6610 Flight Instruments, 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 851AH. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.