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Selection
Extension Springs are organized in order of increasing diameter and wire size. Note that in each category the spring rate decreases as the length increases.
Unit of Measure

Specifications

Type

Extension

Material

Stainless Steel

Outside Diameter

1.125

Wire Diameter

0.085

Free Length

5.000

Max. Load

20.3

Max. Extension

15.06

Initial Tension

1.3

Spring Rate

1.90

Max. Load (SS)

17.900

Max. Extension (SS)

15.16

Initial Tension (SS)

1.1

Spring Rate (SS)

1.6