Prime Line Products Sp 9645 Extension Spring 1-1/8 in Od 3-pack

Product Description

The PRIME LINE PRODUCTS SP 9645 is a single loop extension spring built for general-purpose handyman and maintenance applications. Constructed from durable spring steel with a nickel-plated finish, this spring measures 1-1/8 inches outside diameter, 31/32 inches inside diameter, and 16 inches in length. The wire diameter is 0.105 inches, with a maximum safe load of 31.2 pounds and a maximum deflection of 22 inches. The nickel-plated coating provides corrosion resistance, making the spring suitable for both indoor and outdoor installations. Sold in a pack of 3, this part is typically installed by maintenance technicians, handymen, or experienced DIYers in light mechanical assemblies.

This extension spring fits a wide range of residential and light commercial maintenance scenarios. Typical applications include screen doors, garage utility assemblies, storage equipment, and general mechanical linkages where a reliable single loop extension spring of this size is required. The corrosion-resistant finish extends service life in damp or outdoor environments. Each pack contains 3 springs, making it practical for multi-unit repairs or keeping a spare on hand.

Key Features

• Spring steel construction for consistent load performance and durability
• Nickel-plated finish provides corrosion resistance for indoor and outdoor use
• 1-1/8 inches outside diameter with 0.105 inches wire diameter for reliable tension
• 31.2 pounds maximum safe load with 22 inches maximum deflection
• Single loop end design for straightforward hook or pin attachment
• Sold as a pack of 3 units per package

Compatibility

Designed as a standard-dimension single loop extension spring for general residential and light commercial maintenance applications where a 1-1/8 inch OD, 16 inch length extension spring is required.

Installation Notes

Installation is typically performed by maintenance technicians or qualified handymen. Before installation, relieve all tension from the existing spring assembly and ensure the mounting anchor points are in sound condition. Use appropriate spring installation tools to avoid over-stretching the spring beyond its 22-inch maximum deflection rating. Never exceed the stated maximum safe load of 31.2 pounds during operation.