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72378 - 4 Inch Music Wire Compression Spring

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

Compression spring manufactured from Music Wire with 11 coils and Closed & Ground ends. This spring features an O.D. of 0.975 Inch, and an I.D. of 0.813 Inch.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72378
Ends Closed & Ground
Finish None
Free Length 4 in
Inside Diameter 0.813 in
Material Music Wire
Outside Diameter 0.975 in
Part Type Standard
Rate 9.7 lbs/in
SKU 72378CS
Solid Length 0.89 in
Suggested Max Deflection 2.7 in
Suggested Max Load 26 lbf
Total Coils 11
Wire Diameter 0.08 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72378
Ends Closed & Ground
Finish None
Free Length 101.6 mm
Inside Diameter 20.65 mm
Material Music Wire
Outside Diameter 24.77 mm
Part Type Standard
Rate 1.7 N/mm
SKU 72378CS
Solid Length 22.61 mm
Suggested Max Deflection 68.58 mm
Suggested Max Load 115.65 N
Total Coils 11
Wire Diameter 2.03 mm

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