Prime Line Products Sp 9674 Extension Spring 5/8 in Od 3-pack

Product Description

The PRIME LINE PRODUCTS SP 9674 is a double loop closed extension spring designed for general-purpose tensioning applications in residential and light commercial settings. Constructed from durable spring steel with a nickel-plated finish, this spring measures 5/8 inch outside diameter, 1/2 inch inside diameter, and 8-1/2 inches in length with a 0.062 inch wire diameter. It handles a maximum safe load of 12.9 pounds and allows up to 10.7 inches of maximum deflection. The nickel-plated finish provides corrosion resistance, making it suitable for both indoor and outdoor use. Each package contains 3 springs.

This extension spring is suited for handyman, maintenance, and light mechanical applications where a reliable closed-loop spring is needed. Typical uses include screen doors, storm doors, cabinet hardware, shop equipment, and general mechanical assemblies requiring tension control. The corrosion-resistant finish extends service life in humid or outdoor environments such as garages, sheds, and covered exterior fixtures. Licensed tradespeople and knowledgeable DIYers alike will find this spring appropriate for a wide range of tensioning tasks.

Key Features

• Double loop closed end design for secure hook attachment at both ends
• Spring steel construction for consistent tension and long service life
• Nickel-plated finish provides corrosion resistance for indoor and outdoor use
• Maximum safe load of 12.9 pounds with up to 10.7 inches of deflection
• Wire diameter of 0.062 inches for precise spring rate performance
• Sold in a pack of 3 for multi-unit repair or replacement jobs

Compatibility

Designed as a general-purpose double loop closed extension spring suitable for screen doors, storm doors, cabinet hardware, and similar light-duty mechanical applications requiring a 5/8 inch OD spring with an 8-1/2 inch body length.

Installation Notes

Extension springs store energy under tension and should be installed and removed with appropriate caution to prevent sudden release. Always relieve any existing tension in the assembly before removing the old spring. Use proper hand tools and eye protection during installation. Follow all applicable local building codes and manufacturer guidelines for the specific fixture or assembly being serviced.