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73388CS - 8" Oil Tempered Compression Spring

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Compression spring manufactured from oil tempered with 9.25 coils and closed & ground ends. This spring features an O.D. of 3.656", and an I.D. of 2.782".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 73388
Ends Closed & Ground
Finish None
Free Length 8 in
Inside Diameter 2.782 in
Material Oil Tempered
Outside Diameter 3.656 in
Part Type Standard
Rate 217 lbs/in
SKU 73388CS
Solid Length 4.04 in
Suggested Max Deflection 2.8 in
Suggested Max Load 614 lbf
Total Coils 9.25
Wire Diameter 0.437 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73388
Ends Closed & Ground
Finish None
Free Length 203.2 mm
Inside Diameter 70.66 mm
Material Oil Tempered
Outside Diameter 92.86 mm
Part Type Standard
Rate 38 N/mm
SKU 73388CS
Solid Length 102.62 mm
Suggested Max Deflection 71.12 mm
Suggested Max Load 2731.07 N
Total Coils 9.25
Wire Diameter 11.1 mm
The 73388CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.437" diameter oil tempered, the 73388 spring design exhibits reliable strength across its 9.25 active coils, withstanding repeated compression cycles with a maximum load of 614 lbf without succumbing to fatigue.

We manufacture the 73388 design to provide a compression spring that is 8" long at rest and provides a consistent rate of 217 lbs/in along its recommended maximum of 2.8" deflection. For best results, your application should fully accommodate the inner (2.782") and outer (3.656") diameters of this spring and be designed for its closed & ground end configuration.

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