SPEC Constant Force Spring: 301 Stainless Steel, 45 in Extended Lg, 1.6 in Inside Dia
The SPEC Constant Force Spring is a 301 Stainless Steel constant force coil spring, supplied in a 5 PK with a plain finish. It features a 1.6 in inside diameter and a 45 in extended length (MPN CF0450209).
SKU 3G-OTH-530781
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Product Description
The SPEC Constant Force Spring is a 301 Stainless Steel constant force coil spring, supplied in a 5 PK with a plain finish. It features a 1.6 in inside diameter and a 45 in extended length (MPN CF0450209).
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 machinery, aerospace, and automotive assemblies.
What are the specifications of the SPEC Constant Force Spring CF0450209?
The SPEC Constant Force Spring CF0450209 is a 5-pack of 301 stainless steel springs with a plain finish. It has a 1.6 in inside diameter and a 45 in extended length. The manufacturer part number is CF0450209.
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 to order the CF0450209 or other SPEC spring models for your application.
How to select a constant force spring for an application?
Select a constant force spring by matching its extended length, inside diameter, and material to your load and travel requirements. The SPEC CF0450209 in 301 stainless steel offers corrosion resistance and consistent force output for demanding industrial uses.
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.









