This browser is no longer supported. Upgrade to Microsoft Edge or switch to a supported browser, like Chrome, Safari, or Firefox, to explore the MW Components website.

We're sorry for the inconvenience.

SS7-54 - 20 Inch 0.508 Inch Pounds 302/304 Stainless Steel Extension Spring

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

Regular extension spring in 302/304 Stainless Steel. This spring features an O.D. of 0.438 Inch, an initial tension of 3 Pound, and a spring rate of 0.508 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name SS7-54
Finish None
Initial Tension
(Approx.)
3 lb
Length 20 in
Material 302/304 Stainless Steel
Max Load
(Suggested)
12 lbf
Measurement Units Standard
Outside Diameter 0.438 in
Rate (Constant) 0.508 lbs
SKU SS7-54CS
Wire Diameter 0.054 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name SS7-54
Finish None
Initial Tension
(Approx.)
1.36 kg
Length 508 mm
Material 302/304 Stainless Steel
Max Load
(Suggested)
53.38 N
Measurement Units Standard
Outside Diameter 11.13 mm
Rate (Constant) 0.09 N/mm
SKU SS7-54CS
Wire Diameter 1.37 mm