Please fill out the form below for Screw Cap Hexagon Head and get a quote for part number 42321 by Barnes Group Inc with NSN 5305011488565 and FSC Name is 5305 Screws, 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 42321. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.