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12101CS - 4.56" 302/304 Stainless Steel Compression Spring

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Compression spring manufactured from 302/304 stainless steel with 26 coils and closed ends. This spring features an O.D. of 0.843", and an I.D. of 0.737".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 12101
Ends Closed
Finish None
Free Length 4.56 in
Inside Diameter 0.737 in
Material 302/304 Stainless Steel
Outside Diameter 0.843 in
Part Type Standard
Rate 0.85 lbs/in
SKU 12101CS
Solid Length 1.43 in
Suggested Max Deflection 3.1 in
Suggested Max Load 2.7 lbf
Total Coils 26
Wire Diameter 0.053 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 12101
Ends Closed
Finish None
Free Length 115.82 mm
Inside Diameter 18.72 mm
Material 302/304 Stainless Steel
Outside Diameter 21.41 mm
Part Type Standard
Rate 0.15 N/mm
SKU 12101CS
Solid Length 36.32 mm
Suggested Max Deflection 78.74 mm
Suggested Max Load 12.01 N
Total Coils 26
Wire Diameter 1.35 mm
The 12101CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.053" diameter 302/304 stainless steel, the 12101 spring design exhibits reliable strength across its 26 active coils, withstanding repeated compression cycles with a maximum load of 2.7 lbf without succumbing to fatigue.

We manufacture the 12101 design to provide a compression spring that is 4.56" long at rest and provides a consistent rate of 0.85 lbs/in along its recommended maximum of 3.1" deflection. For best results, your application should fully accommodate the inner (0.737") and outer (0.843") diameters of this spring and be designed for its closed end configuration.

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