Please fill out the form below for No4 Spire Nut and get a quote for part number CBN0240-3 by Contour Engineering Llc, 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 CBN0240-3. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.