Please fill out the form below for Nut Plain Hexagon and get a quote for part number SYSTEM II REF 42 by The Jerome Group Inc with NSN 5310014481753 and FSC Name is 5310 Nuts and Washers, 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 SYSTEM II REF 42. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.