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100 YRS

The Countdown to 100 Years of Century Spring!

Since 1927, Century Spring Corp has been the original industry-leading spring manufacturer for both stock and custom springs. Read about 100 Years of Century Spring here.

167 DAYS

M-45CS - 1.50 Inch Music Wire Extension Springs

Inventory:           
Estimated Lead Time

The M-45CS is a regular extension spring manufactured by Century Spring. It features a gold iridite finish and is made from high-quality music wire. With a wire diameter of 0.029 Inch and an outside diameter of 0.203 inches, this spring has a free length of 1.5 inches. It has an initial tension of 0.9 Pound and a maximum deflection of 1.2 inches. The M-45CS has a maximum load capacity of 6.1 Pound Force and a spring rate of 4.2 lbs/inch. Its ends are equipped with machine hooks, allowing for easy installation. This standard extension spring is ideal for a wide range of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of getting the right springs promptly. That's why we ensure quick delivery of our products, including the M-45CS. We also maintain a substantial supply of springs, guaranteeing that our customers have access to the parts they need when they need them. Plus, all of our springs are proudly made in the United States, so you can trust in their quality and reliability. Choose Century Spring for your spring needs and experience our efficient shipping and ample stock selection.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku M-45CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.029 in
F) Outside Diameter 0.203 in
G) Length 1.5 in
H) End Type Machine Hook
I) End Position Random
J) Rate 4.2 lbs/in
K) Initial Tension 0.9 lb
L) Sugg Max Deflection 1.2 in
L) Sugg Max Load 6.1 lbf
O) Finish Gold Iridite
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku M-45CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.74 mm
F) Outside Diameter 5.16 mm
G) Length 38.1 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 0.74 N/mm
K) Initial Tension 0.41 kg
L) Sugg Max Deflection 30.48 mm
L) Sugg Max Load 27.13 N
O) Finish Gold Iridite