Please fill out the form below for and get a quote for part number RST 4U-RKWT 4U-6743 by Lumberg Incorporated, 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 RST 4U-RKWT 4U-6743. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.