Please fill out the form below for Plug 500 Npt Allen Head and get a quote for part number STD-2229 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-2229. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.