Prime Line Products Sp 9671 Extension Spring 2 Pack

Product Description

The PRIME LINE PRODUCTS SP 9671 is a closed single loop extension spring designed for general handyman and maintenance applications. Built from durable spring steel with a nickel-plated finish, this spring delivers reliable tension in both indoor and outdoor environments. Key dimensions include a 9/16 inch outside diameter, 13/32 inch inside diameter, and a 6 inch overall length. Wire diameter measures 0.072 inches. The maximum safe load is 21.1 pounds with a maximum deflection of 3.61 inches. Each package contains two springs. This part is typically installed by maintenance technicians, handymen, or experienced DIYers working on light mechanical assemblies.

The SP 9671 extension spring is suited for a wide range of residential and light commercial repair and replacement tasks. Common applications include screen doors, storm doors, cabinet hardware, tool latches, and similar tensioning mechanisms where a compact, corrosion-resistant spring is required. The nickel-plated finish resists rust and oxidation, making it a practical choice for installations exposed to humidity or periodic moisture contact.

Key Features

• Closed single loop ends for secure hook or pin attachment points
• Spring steel construction for consistent tension and long service life
• Nickel-plated finish provides corrosion resistance for indoor and outdoor use
• 21.1 pound maximum safe load rating
• 3.61 inch maximum deflection
• Comes in a 2-pack for back-to-back repairs or matched installations

Compatibility

Designed as an OEM-style replacement extension spring for general residential and light commercial hardware applications requiring a closed single loop spring with a 9/16 inch outside diameter and 6 inch length.

Installation Notes

Extension springs store energy under tension and should be installed and removed with appropriate care to prevent sudden release. De-tension or fully unload any connected mechanism before removing the existing spring. Standard hand tools are sufficient for most installations. Verify that attachment points are rated to handle the maximum safe load of 21.1 pounds before completing the installation.