SPEC Constant Force Spring: 301 Stainless Steel, 12 in Extended Lg, 0.37 in Inside Dia
The SPEC Constant Force Spring is a 301 Stainless Steel constant force coil spring, supplied as a 5 PK with a plain finish. Each spring has a 0.37 in inside diameter and a 12 in extended length (MPN CF0170103).
SKU 3G-OTH-530789
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Product Description
The SPEC Constant Force Spring is a 301 Stainless Steel constant force coil spring, supplied as a 5 PK with a plain finish. Each spring has a 0.37 in inside diameter and a 12 in extended length (MPN CF0170103).
Frequently Asked Questions
What is a SPEC Constant Force Spring used for?
A SPEC Constant Force Spring provides a nearly constant restraining force over its full extension range. It is commonly used in counterbalance applications, retractor mechanisms, and tensioning systems across industrial equipment, automotive assemblies, and aerospace components.
What are the specifications of the SPEC Constant Force Spring CF0170103?
The SPEC Constant Force Spring CF0170103 is made of 301 Stainless Steel with a plain finish. It has a 0.37 in inside diameter, a 12 in extended length, and is supplied as a 5 PK. The manufacturer part number is CF0170103.
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 facility. Contact us for pricing and lead time on the CF0170103 or other SPEC spring models.
How to select a constant force spring for an application?
To select a constant force spring, determine the required force, extension length, and inside diameter. Consider material—301 Stainless Steel offers corrosion resistance and fatigue life. Verify the spring's extended length matches your travel requirement and that the housing accommodates the coil diameter.
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.









