Please fill out the form below for Nut Plain Castellat and get a quote for part number 545-005-330 by Warren Rupp Houdaille Inc with NSN 5310015663689 and FSC Name is 5310 Nuts and Washers, 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 545-005-330. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.