Prime Line Products Sp 9638 Extension Spring 7/16 in Od 3-pack

Product Description

The PRIME LINE PRODUCTS SP 9638 is a single loop extension spring built for general handyman and maintenance applications. Constructed from durable spring steel with a nickel-plated finish, this spring measures 7/16 inch outside diameter, 11/32 inch inside diameter, and 10-1/4 inch length with a wire diameter of 0.041 inch. It handles a maximum safe load of 5.6 pounds and a maximum deflection of 17.5 inches. The corrosion-resistant finish makes it suitable for both indoor and outdoor use. Each package contains 3 springs.

This extension spring is suited for residential and light commercial maintenance tasks where a compact, corrosion-resistant spring is needed. Common applications include door and gate hardware, screen doors, cabinetry, tool hangers, and general mechanical assemblies. The nickel-plated finish holds up in damp or exposed environments, making it a practical choice for utility rooms, garages, and outdoor installations. Licensed tradespeople and experienced DIYers can use this spring as a replacement or supplemental component in a wide range of light-duty tensioning applications.

Key Features

• Spring steel construction for consistent tension and durability
• Nickel-plated finish provides corrosion resistance for indoor and outdoor use
• 5.6 pounds maximum safe load with 17.5 inch maximum deflection
• 7/16 inch outside diameter and 10-1/4 inch length for compact fitment
• Single loop end design for straightforward hook or pin attachment
• Sold in a pack of 3 for common replacement and repair needs

Compatibility

Designed as a general-purpose single loop extension spring suitable for light-duty tensioning applications in door hardware, gate assemblies, and general mechanical maintenance.

Installation Notes

Extension springs store energy under tension and should be handled with care to avoid injury during installation or removal. Always release tension from the assembly before replacing a spring. Use appropriate pliers or spring installation tools to seat the loops securely on mounting pins or hooks. Inspect mounting hardware for wear or damage before installing new springs.