Please fill out the form below for Screw Special and get a quote for part number 991-4-00584-137 by Selex Es Limited with NSN 5305010490479 and FSC Name is 5305 Screws, 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 991-4-00584-137. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.