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                    E-4CS - 36 Inch 0.242 Inch Pounds Carbon Steel Extension Spring
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Regular extension spring in Carbon Steel. This spring features an O.D. of 0.125 Inch, an initial tension of 0.9 Pound, and a spring rate of 0.242 Inch Pounds.
                    | Label | Value | 
|---|---|
| Brand | Century Spring | 
| Display Name | E-4 | 
| Finish | None | 
| 
                    Initial Tension
                                             (Approx.)  | 
                0.9 lb | 
| Length | 36 in | 
| Material | Carbon Steel | 
| 
                    Max Load
                                             (Suggested)  | 
                3.4 lbf | 
| Measurement Units | Standard | 
| Outside Diameter | 0.125 in | 
| Rate (Constant) | 0.242 lbs | 
| SKU | E-4CS | 
| Wire Diameter | 0.023 in | 
| Label | Value | 
|---|---|
| Brand | Century Spring | 
| Display Name | E-4 | 
| Finish | None | 
| 
                    Initial Tension
                                             (Approx.)  | 
                0.41 kg | 
| Length | 914.4 mm | 
| Material | Carbon Steel | 
| 
                    Max Load
                                             (Suggested)  | 
                15.12 N | 
| Measurement Units | Standard | 
| Outside Diameter | 3.18 mm | 
| Rate (Constant) | 0.04 N/mm | 
| SKU | E-4CS | 
| Wire Diameter | 0.58 mm |