Gardner Spring V39C Extension Spring 21.64 Lb 8 in Od 0.58 in

Product Description

The GARDNER SPRING V39C is a galvanized steel extension spring rated for a maximum work load of 21.64 pounds and a spring rate of 2.67 lb/in. At rest, the spring measures 8 inches in free length with an outside diameter of 0.58 inches and a wire diameter of 0.072 inches. Under load, it extends to a maximum of 12.9 inches. An initial tension of 5.1 pounds must be overcome before the spring begins to deflect, making it suitable for applications that require resistance to accidental extension. Licensed technicians and tradespeople install this part in mechanical assemblies, equipment panels, and systems that require controlled return force.

The V39C is suited for light-duty to medium-duty mechanical applications across HVAC equipment, industrial assemblies, and similar trade environments where a compact extension spring with a defined load rating and predictable spring rate is required. The zinc-plated galvanized finish provides corrosion resistance for use in environments with moderate moisture exposure. Each package contains 3 pieces, making it practical for service calls where a spare may be needed or for batch replacement in equipment with multiple spring points.

Key Features

• Maximum work load of 21.64 pounds with a consistent 2.67 lb/in spring rate
• Initial tension of 5.1 pounds resists unintended extension under low-force conditions
• Galvanized zinc-plated steel construction for corrosion resistance
• Compact 8-inch free length extends to 12.9 inches at maximum load
• 0.072-inch wire diameter with 0.58-inch outside diameter for precise fitment in tight assemblies
• Sold in a package of 3 pieces per order

Compatibility

Designed as an OEM-style replacement extension spring for mechanical assemblies in HVAC equipment, industrial controls, and related trade applications requiring a 0.58-inch OD steel extension spring with a 2.67 lb/in spring rate.

Installation Notes

Extension springs store energy under tension and should only be installed or replaced with appropriate safety precautions in place. De-energize or shut down the equipment fully before removing or installing the spring. Use proper hand tools and eye protection, as springs under load can release energy rapidly if a hook or mounting point slips during installation. Verify the free length, outside diameter, and spring rate against the original specification before finalizing the replacement.