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The MASTER LOCK CO 1480DAT is a barbell-style receiver pin lock designed to secure trailer hitch connections at the 5/8 inch receiver pin point. The straight barbell pin design passes through the receiver and hitch coupler, with a lock cylinder at the exposed end to prevent unauthorized removal. An all-weather cap covers the keyway, protecting the lock cylinder from rain, dirt, road debris, and corrosion. This hardware is installed by fleet operators, truck owners, and trailer service technicians as a basic theft-deterrent measure on tow vehicles and trailers.
This pin lock is sized specifically for 5/8 inch straight barbell receiver pins. It is suited for residential and commercial trailer hitch applications where a removable locking pin is required to secure the hitch bar or ball mount inside the receiver tube. The all-weather keyway cap makes it practical for year-round outdoor use in variable climates. This item is sold as a package of 4 units.
Designed to fit 5/8 inch straight barbell-style receiver pins. Key blanks for replacement or duplication are Master Lock key blank K1BOX or Ilco blank M1 TV 320-952.
Installation requires no special tools beyond inserting the barbell pin through the aligned receiver and hitch component holes. Ensure the receiver and coupler holes are fully aligned before inserting the pin. Engage the lock cylinder fully before releasing the hitch assembly under load. Inspect the all-weather cap and lock cylinder periodically for debris buildup or corrosion, especially in high-moisture or road-salt environments.
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