Compression Spring #138, 13/32&11/16"x1"

Compression Spring #138, 13/32&11/16"x1"

The 18649 Compression Spring #138 is a durable spring steel compression spring designed to provide reliable resistance and return force in compact mechanical assemblies. With a 1" overall length and a tapered diameter design ranging from approximately 13/32" to 43/64", this spring allows controlled compression while fitting applications where space or component alignment requires varying spring diameters. Constructed from high-quality spring steel, it delivers dependable elasticity and long service life in tools, equipment repairs, and mechanical mechanisms.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 18649
• Nominal Spring Size: A407 / SRM178
• Product Type: Compression spring
• Length: 1 in
• Diameter 1: 13/32 in
• Diameter 2: 43/64 in
• Material: Spring steel
• Design: Variable diameter compression spring
• Function: Provides resistance and return force in compression applications
• Construction: Durable spring steel for consistent mechanical performance

Ideal For

• Mechanical repairs and equipment maintenance
• Tools and machinery requiring compression springs
• Hardware assemblies with limited installation space
• General shop and DIY mechanical projects
• Anyone needing a compact spring that keeps small mechanisms working instead of leaving parts stuck halfway through their job