SPEC Constant Force Spring: 301 Stainless Steel, 39 in Extended Lg, 0.88 in Inside Dia
The SPEC Constant Force Spring is a 301 Stainless Steel constant force coil spring, supplied as a 5-pack with a plain finish. Each spring has a 0.88-inch inside diameter and a 39-inch extended length (MPN CF0390594).
SKU 3G-OTH-530780
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Product Description
The SPEC Constant Force Spring is a 301 Stainless Steel constant force coil spring, supplied as a 5-pack with a plain finish. Each spring has a 0.88-inch inside diameter and a 39-inch extended length (MPN CF0390594).
Frequently Asked Questions
What is a SPEC Constant Force Spring used for?
A SPEC Constant Force Spring provides a nearly constant load over its full extension range. It is used in counterbalance mechanisms, retractor systems, and tensioning applications across industrial equipment, including material handling and automation.
What are the specifications of the SPEC Constant Force Spring CF0390594?
The SPEC Constant Force Spring CF0390594 is a 301 stainless steel spring with a plain finish. It has a 0.88-inch inside diameter and a 39-inch extended length. It is supplied as a 5-pack.
Where to buy SPEC Constant Force Springs worldwide?
3G Electric supplies SPEC Constant Force Springs worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the CF0390594 5-pack.
How to select a constant force spring for an application?
Select a constant force spring by matching its extended length, inside diameter, and load capacity to your application's travel and force requirements. The SPEC CF0390594 offers a 39-inch extension and 0.88-inch ID in 301 stainless steel.
SPEC Products
3G Electric supplies SPEC stainless steel constant force coil springs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









