Please fill out the form below for Bolt Tension Hex Hd Close Tol and get a quote for part number NAS6307U54D by Bombardier Aerospace, 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 NAS6307U54D. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.