Husky 749310N Heavy Duty Diesel Automatic Nozzle with Green Guard.. Automatic shut off nozzle for truck stop and other high volume selfservice, full-service and unattended stations. with Three Notch Hold Open Clip, Waffle Splash Guard and Spout Bushing. Contstruction: • Body: Aluminum • Seals: Fluorocarbon • Packing: Double o-ring seal protected by fiber reinforced Teflon • Lever: One piece contoured steel • Inlet: 1" / 25.4 mm NPT