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MM-43CS - 0.94" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 7 coils and closed & ground ends. This spring features an O.D. of 0.39", and an I.D. of 0.23".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name MM-43
Ends Closed & Ground
Finish Black Oxide
Free Length 0.94 in
Inside Diameter 0.23 in
Material Spring Steel
Outside Diameter 0.39 in
Part Type Standard
Rate 395 lbs/in
SKU MM-43CS
Solid Length 0.56 in
Suggested Max Deflection 0.1 in
Suggested Max Load 41 lbf
Total Coils 7
Wire Diameter 0.08 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name MM-43
Ends Closed & Ground
Finish Black Oxide
Free Length 23.88 mm
Inside Diameter 5.84 mm
Material Spring Steel
Outside Diameter 9.91 mm
Part Type Standard
Rate 69.16 N/mm
SKU MM-43CS
Solid Length 14.22 mm
Suggested Max Deflection 2.54 mm
Suggested Max Load 182.37 N
Total Coils 7
Wire Diameter 2.03 mm
The compression spring MM-43CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the MM-43 compression spring design exhibits exceptional tensile strength and resilience.

The MM-43 design is manufactured with a free length of 0.94", with an outer diameter of 0.39", an inner diameter of 0.23", and a total of 7 coils, expertly designed to deliver consistent compression characteristics including a rate of 395 lbs/in.

The MM-43CS compression spring is ideally suited for use in a wide range of mechanical assemblies, including but not limited to automotive suspension systems, industrial machinery, and electronic devices.

In summary, the compression spring MM-43 design stands out for its superior material properties, thoughtful design, and versatility in application. It is a prime choice for engineers committed to excellence and innovation in their projects.