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647 - 5.38 Inch High Carbon Steel Extension Spring

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

Regular extension spring in High Carbon Steel. This spring features an O.D. of 1.375 Inch and an initial tension of 100 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 647
Ends Machine Hook
Finish Black Oxide
Initial Tension 100 lb
Length 5.38 in
Material High Carbon Steel
Outside Diameter 1.375 in
Part Type Standard
Rate 545 lbs/in
SKU 647CS
Sugg Max Deflection 0.55 in
Sugg Max Load 512 lbf
Wind Direction Left
Wire Diameter 0.283 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 647
Ends Machine Hook
Finish Black Oxide
Initial Tension 45.35 kg
Length 136.65 mm
Material High Carbon Steel
Outside Diameter 34.93 mm
Part Type Standard
Rate 95.43 N/mm
SKU 647CS
Sugg Max Deflection 13.97 mm
Sugg Max Load 2277.38 N
Wind Direction Left
Wire Diameter 7.19 mm

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