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Century Spring

138CS - 8.5 Inch High Carbon Steel Extension Spring

Inventory Status
Estimated Lead Time

Regular extension spring in High Carbon Steel. This spring features an O.D. of 0.875 Inch and an initial tension of 3 Pound.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 138
Ends Machine Hook
Finish Zinc
Initial Tension 3 lb
Length 8.5 in
Material High Carbon Steel
Outside Diameter 0.875 in
Part Type Standard
Rate 1.3 lbs/in
SKU 138CS
Sugg Max Deflection 12 in
Sugg Max Load 18 lbf
Wind Direction Left
Wire Diameter 0.08 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 138
Ends Machine Hook
Finish Zinc
Initial Tension 1.36 kg
Length 215.9 mm
Material High Carbon Steel
Outside Diameter 22.23 mm
Part Type Standard
Rate 0.23 N/mm
SKU 138CS
Sugg Max Deflection 304.8 mm
Sugg Max Load 80.06 N
Wind Direction Left
Wire Diameter 2.03 mm

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