Please fill out the form below for Ring Piston and get a quote for part number 291AS403 by Preci Manufacturing Incorporated with NSN 2805004132453 and FSC Name is 2805 Gasoline Reciprocating Engines Except Aircraft and Components, 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 291AS403. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.