
Century Spring Corp
The Century Spring Corp 27 x 139.7 x 3mm extension spring is a steel spring built to absorb and store energy while resisting pulling forces. It is crafted from high-grade spring wire and manufactured to commercial tolerances defined by the Spring Manufacturers Institute (SMI).
As a tension spring it stretches under load and pulls back to its free length when released, making it a reliable choice for repairs and assemblies that need a controlled return action.
The Century Spring Corp 27 x 139.7 x 3mm Extension Spring is a high-quality extension spring designed for various applications, made to meet industry standards. This extension spring is crafted from the highest grade of spring wire and manufactured according to ASTM standards. It adheres to commercial tolerances as defined by the Spring Manufacturers Institute (SMI). The spring is designed to absorb and store energy while providing resistance to pulling forces.
Yes. This listing is for a single extension spring.
The free length is 139.7mm.
It is made from steel to ASTM standards and to commercial tolerances as defined by the Spring Manufacturers Institute (SMI).
It absorbs and stores energy while providing resistance to pulling forces, returning to its original length once the load is removed.

