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72921SCS - 4.5" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 11 coils and closed & ground ends. This spring features an O.D. of 1.687", and an I.D. of 1.251".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72921S
Ends Closed & Ground
Finish None
Free Length 4.5 in
Inside Diameter 1.251 in
Material 302/304 Stainless Steel
Outside Diameter 1.687 in
Part Type Standard
Rate 97 lbs/in
SKU 72921SCS
Solid Length 2.4 in
Suggested Max Deflection 1.5 in
Suggested Max Load 149 lbf
Total Coils 11
Wire Diameter 0.218 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72921S
Ends Closed & Ground
Finish None
Free Length 114.3 mm
Inside Diameter 31.78 mm
Material 302/304 Stainless Steel
Outside Diameter 42.85 mm
Part Type Standard
Rate 16.98 N/mm
SKU 72921SCS
Solid Length 60.96 mm
Suggested Max Deflection 38.1 mm
Suggested Max Load 662.75 N
Total Coils 11
Wire Diameter 5.54 mm
The compression spring 72921SCS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality 302/304 stainless steel, the 72921S compression spring design exhibits exceptional tensile strength and resilience.

The 72921S design is manufactured with a free length of 4.5", with an outer diameter of 1.687", an inner diameter of 1.251", and a total of 11 coils, expertly designed to deliver consistent compression characteristics including a rate of 97 lbs/in.

The 72921SCS 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 72921S 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.