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71818S - 4 Inch 302/304 Stainless Steel Compression Spring

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

Compression spring manufactured from 302/304 Stainless Steel with 21 coils and Closed & Ground ends. This spring features an O.D. of 0.6 Inch, and an I.D. of 0.438 Inch.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 71818S
Ends Closed & Ground
Finish None
Free Length 4 in
Inside Diameter 0.438 in
Material 302/304 Stainless Steel
Outside Diameter 0.6 in
Part Type Standard
Rate 22 lbs/in
SKU 71818SCS
Solid Length 1.68 in
Suggested Max Deflection 1.294 in
Suggested Max Load 29 lbf
Total Coils 21
Wire Diameter 0.082 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 71818S
Ends Closed & Ground
Finish None
Free Length 101.6 mm
Inside Diameter 11.13 mm
Material 302/304 Stainless Steel
Outside Diameter 15.24 mm
Part Type Standard
Rate 3.85 N/mm
SKU 71818SCS
Solid Length 42.67 mm
Suggested Max Deflection 32.87 mm
Suggested Max Load 128.99 N
Total Coils 21
Wire Diameter 2.08 mm

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