Please fill out the form below for Lens Rfi Coated and get a quote for part number A428C1 by Whelen Engineering Company 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 A428C1. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.