91ÖÆÆ¬³§

This browser is no longer supported. Upgrade to Microsoft Edge or switch to a supported browser, like Chrome, Safari, or Firefox, to explore the Components website.

We're sorry for the inconvenience.

S-491CS - 1.06" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 5.5 coils and closed & ground ends. This spring features an O.D. of 0.796", and an I.D. of 0.546".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-491
Ends Closed & Ground
Finish None
Free Length 1.06 in
Inside Diameter 0.546 in
Material 302/304 Stainless Steel
Outside Diameter 0.796 in
Part Type Standard
Rate 294 lbs/in
SKU S-491CS
Solid Length 0.69 in
Suggested Max Deflection 0.23 in
Suggested Max Load 68 lbf
Total Coils 5.5
Wire Diameter 0.125 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-491
Ends Closed & Ground
Finish None
Free Length 26.92 mm
Inside Diameter 13.87 mm
Material 302/304 Stainless Steel
Outside Diameter 20.22 mm
Part Type Standard
Rate 51.48 N/mm
SKU S-491CS
Solid Length 17.53 mm
Suggested Max Deflection 5.84 mm
Suggested Max Load 302.46 N
Total Coils 5.5
Wire Diameter 3.18 mm
The S-491 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality 302/304 stainless steel and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The S-491CS compression spring is designed with a free length of 2.5" total of 20 coils, and a rate of 0.29 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The S-491 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.