Extension Spring #104, 1/4"x3/4"

Extension Spring #104

The 18615 Extension Spring #104 (SRM104) is a compact precision extension spring designed to provide consistent tension and reliable return force in smaller mechanical assemblies and equipment. Manufactured from durable spring steel, it is built to withstand repeated stretching and contraction while maintaining dependable performance. With a 1/4 in spring diameter, 3/4 in body length, and .031 wire gauge, this spring is well suited for lighter-duty tension applications where controlled movement and dependable recoil are required—because even the smallest springs have an important job to do.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 18615
• Spring Identification: #104 / SRM104
• Product Type: Extension spring
• Nominal Size: SRM104
• Material: Spring Steel
• Spring Diameter: 1/4 in
• Spring Length: 3/4 in
• Wire Diameter: .031 wire gauge
• Construction: Spring steel designed for repeated tension and return cycles
• Function: Provides controlled extension and return force in mechanical systems

Ideal For

• Small mechanical linkages and return mechanisms
• Light-duty equipment repairs
• Tools, latches, and tension assemblies
• Applications requiring compact extension springs with consistent recoil
• Situations where a small but dependable spring keeps parts moving the way they’re supposed to instead of wandering off on their own agenda