Please fill out the form below for Insert 375 16 Unc X 750 Long and get a quote for part number STD-1171 by Engine Components Inc, 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 STD-1171. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.