Please fill out the form below for Nut Tube Coupling and get a quote for part number 311251 by Kito Mfg Co Ltd with NSN 4730005547061 and FSC Name is 4730 Hose Pipe Tube Lubrication and Railing Fittings, 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 311251. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.