Please fill out the form below for Screw 250 20 X 875 Dr Fil Hd and get a quote for part number 189612 by Ontic Engineering, 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 189612. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.