Please fill out the form below for Pk Screw A Truss Hd and get a quote for part number 6X1-4 by Viking Air Ltd, 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 6X1-4. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.