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80121CS - 1.38 Inch Music Wire Extension Springs

The 80121CS is a regular extension spring manufactured by Century Spring. This spring is made from high-quality Music Wire and has a natural finish. It has a wire diameter of 0.022 Inch and an outside diameter of 0.12 inches. The free length of the spring is 1.38 inches, and it has an initial tension of 0.4 Pound. The maximum deflection of the spring is 0.62 inches, and it can handle a maximum load of 4.3 Pound Force. The 80121CS is a left-wound spring with full loop ends, making it suitable for a variety of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, and that's why we strive to get your orders out quickly. With our significant stock of springs, including the 80121CS, you can rest assured that we have the parts you need readily available. We're also proud to say that all our springs are made in the United States. When you choose Century Spring, you're not only getting high-quality products, but you're also supporting American manufacturing. Trust us for your spring needs and experience our efficient shipping and reliable inventory.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.4 lb
Length 1.38 in
Material Music Wire
Outside Diameter 0.12 in
Part Type Standard
Rate 6.4 lbs/in
SKU 80121CS
Sugg Max Deflection 0.62 in
Sugg Max Load 4.3 lbf
Wind Direction Left
Wire Diameter 0.022 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.18 kg
Length 35.05 mm
Material Music Wire
Outside Diameter 3.05 mm
Part Type Standard
Rate 1.12 N/mm
SKU 80121CS
Sugg Max Deflection 15.75 mm
Sugg Max Load 19.13 N
Wind Direction Left
Wire Diameter 0.56 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

Pricing reflects the base un-configured part price. Final per piece price including configured options will be calculated once a quantity is entered in the field above.

Quantity Price
1 - 14 $8.95
15 - 29 $7.61
30 - 49 $6.72
50 - 99 $2.69
100 - 249 $1.53
250 - 499 $0.99
500 - 999 $0.63
1000+ Call for price