Please fill out the form below for Screw Cap Skt Hd 4 40Unc and get a quote for part number MS16995-9 by Contour Engineering Llc, 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 MS16995-9. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.