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JJ-21CS - 1.44" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 29 coils and closed & ground ends. This spring features an O.D. of 0.25", and an I.D. of 0.19".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name JJ-21
Ends Closed & Ground
Finish None
Free Length 1.44 in
Inside Diameter 0.19 in
Material 302/304 Stainless Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 3.6 lbs/in
SKU JJ-21CS
Solid Length 0.87 in
Suggested Max Deflection 0.57 in
Suggested Max Load 2 lbf
Total Coils 29
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name JJ-21
Ends Closed & Ground
Finish None
Free Length 36.58 mm
Inside Diameter 4.83 mm
Material 302/304 Stainless Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.63 N/mm
SKU JJ-21CS
Solid Length 22.1 mm
Suggested Max Deflection 14.48 mm
Suggested Max Load 8.9 N
Total Coils 29
Wire Diameter 0.76 mm
The compression spring JJ-21CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality 302/304 stainless steel, the JJ-21 compression spring design exhibits exceptional tensile strength and resilience.

The JJ-21 design is manufactured with a free length of 1.44", with an outer diameter of 0.25", an inner diameter of 0.19", and a total of 29 coils, expertly designed to deliver consistent compression characteristics including a rate of 3.6 lbs/in.

The JJ-21CS 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 JJ-21 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.