Master Lock Co 1479DAT Barbell Receiver Pin Lock 5/8 in

Product Description

The MASTER LOCK CO 1479DAT is a barbell-style receiver pin lock designed to secure trailer hitch receivers against unauthorized removal. The chrome plated steel pin locks into the receiver opening and holds the hitch component firmly in place. An all-weather cap covers the keyway, protecting it from rain, dust, and corrosion in outdoor environments. At 5/8 inches in diameter, this pin fits standard 5/8-inch receiver pin openings commonly found on class III and class IV hitch assemblies. Installation and removal are handled by the vehicle owner or trailer technician without specialized tools.

This receiver pin lock is intended for use on tow vehicles equipped with a standard hitch receiver. It replaces an unsecured hitch pin with a keyed locking pin, preventing theft of the ball mount, cargo carrier, or other receiver-mounted accessories. The all-weather keyway cap makes it suitable for year-round outdoor use including cold weather, wet conditions, and road exposure. Key blank compatibility includes Master Lock Key Blank K1BOX or Ilco Blank M1 TV 320-952, making key duplication straightforward through most hardware or locksmith suppliers.

Key Features

• Barbell-style design locks securely into standard 5/8-inch receiver openings
• Chrome plated steel construction resists corrosion in outdoor and road environments
• All-weather cap protects the keyway from moisture, dirt, and debris
• Compatible with Master Lock Key Blank K1BOX or Ilco Blank M1 TV 320-952 for key duplication
• Sold as a single unit per package for direct replacement or new installation

Compatibility

Designed to fit standard 5/8-inch trailer hitch receiver pin openings. Key duplication is supported using Master Lock Key Blank K1BOX or Ilco Blank M1 TV 320-952.

Installation Notes

Installation requires no special tools. Insert the pin through the receiver and hitch component hole, then engage the lock mechanism per the manufacturer instructions. Ensure the hitch receiver and ball mount are fully seated before locking. Remove the key and confirm the cap is seated over the keyway before operation.

Technical Specifications

• Pin Diameter: 5/8 inches
• Material: Chrome Plated Steel
• Weight: 4.58 pounds
• Unit of Measure: EA
• Package Quantity: 4
• Key Blank Compatibility: Master Lock K1BOX or Ilco M1 TV 320-952

Standard Information

• Brand: MASTER LOCK CO
• Manufacturer Part Number: 1479DAT