Please fill out the form below for Screw 4 40Unc Skt Set X 375Lg and get a quote for part number MS293 by Zodiac 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 MS293. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.