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12678CS - 1.63" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 4.5 coils and closed & ground ends. This spring features an O.D. of 1.875", and an I.D. of 1.689".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 12678
Ends Closed & Ground
Finish None
Free Length 1.63 in
Inside Diameter 1.689 in
Material 302/304 Stainless Steel
Outside Diameter 1.875 in
Part Type Standard
Rate 6.6 lbs/in
SKU 12678CS
Solid Length 0.42 in
Suggested Max Deflection 1.2 in
Suggested Max Load 8 lbf
Total Coils 4.5
Wire Diameter 0.093 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 12678
Ends Closed & Ground
Finish None
Free Length 41.4 mm
Inside Diameter 42.9 mm
Material 302/304 Stainless Steel
Outside Diameter 47.63 mm
Part Type Standard
Rate 1.16 N/mm
SKU 12678CS
Solid Length 10.67 mm
Suggested Max Deflection 30.48 mm
Suggested Max Load 35.58 N
Total Coils 4.5
Wire Diameter 2.36 mm
The 12678 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 12678CS compression spring is designed with a free length of 5.38" total of 23 coils, and a rate of 35 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 12678 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.