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Extension Springs

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Extension springs are helical coil springs designed to absorb energy while resisting pulling forces. The further they are stretched, the more force is generate, making them ideal for bringing two components together.

Common applications include Throttle Turn Mechanisms in Automotive, Trampolines, Fitness Equipment and Vibration Dampening Systems.

It is available in both Music Wire material, which is ideal for temperatures between -30 C and +120 C and for use in dry environments, and stainless Steel material, which is ideal for temperatures between -200 C and +250 C and for use in both dry and humid or wet environments. Key Factors to consider when choosing a spring for an application include Spring Material and the Working Environment, Spring Dimensions in both extended and non-extended states. Material: Stainless Steel, Carbon Steel Series Code:

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198 results
Product SKUs information
Essentra Part Number Price range Availability Loaded Length Spring Rate Initial Tension Overall Length Material Load at Load Length Outside Diameter View
R 39,6178 - R 47,9376 Request the lead time here
5.19 N
44.5 mm
Stainless Steel
58.54 N
R 39,6178 - R 47,9376 Request the lead time here
3.04 N
57.2 mm
Stainless Steel
33.57 N
R 39,6178 - R 47,9376 Request the lead time here
5.19 N
25.4 mm
Stainless Steel
58.54 N
R 39,6178 - R 47,9376 Request the lead time here
5.19 N
38.1 mm
Stainless Steel
58.54 N
R 39,6178 - R 47,9376 Request the lead time here
5.19 N
63.5 mm
Stainless Steel
58.54 N
R 28,436 - R 34,4075 Request the lead time here
0.85 N
38.1 mm
Carbon Steel
9.21 N
R 28,712 - R 34,7416 Request the lead time here
0.85 N
63.5 mm
Carbon Steel
9.21 N
R 28,712 - R 34,7416 Request the lead time here
2.22 N
22.4 mm
Carbon Steel
23.58 N
R 28,436 - R 34,4075 Request the lead time here
0.85 N
44.5 mm
Carbon Steel
9.21 N
R 28,712 - R 34,7416 Request the lead time here
2.22 N
28.5 mm
Carbon Steel
23.58 N
10439241 R 37,5671 - R 45,4561 Request the lead time here
2.22 N
88.9 mm
Carbon Steel
23.58 N
R 30,1785 - R 36,516 Request the lead time here
6.23 N
38.1 mm
Carbon Steel
70.28 N
R 28,712 - R 34,7416 Request the lead time here
2.22 N
69.9 mm
Carbon Steel
23.58 N
R 30,1785 - R 36,516 Request the lead time here
6.23 N
63.5 mm
Carbon Steel
70.28 N
R 30,0302 - R 36,3366 Request the lead time here
1.78 N
34.8 mm
Carbon Steel
19.57 N
R 29,8883 - R 36,1648 Request the lead time here
3.65 N
28.5 mm
Carbon Steel
40.30 N
R 30,1785 - R 36,516 Request the lead time here
3.65 N
57.2 mm
Carbon Steel
40.30 N
R 28,712 - R 34,7416 Request the lead time here
2.22 N
15.8 mm
Carbon Steel
23.58 N
R 29,8883 - R 36,1648 Request the lead time here
6.23 N
25.4 mm
Carbon Steel
70.28 N
R 28,712 - R 34,7416 Request the lead time here
2.22 N
57.2 mm
Carbon Steel
23.58 N
  • of 10
Extension Spring 10.6 mm 2.14 Nmm Stainless Steel

10439906

Price Range
R 47,9376 - R 39,6178

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    5.19 N
  • Load at Load Length
    58.54 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    44.5 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 0.50 Nmm Stainless Steel

10424155

Price Range
R 47,9376 - R 39,6178

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    3.04 N
  • Load at Load Length
    33.57 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    57.2 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 8.26 Nmm Stainless Steel

10416716

Price Range
R 47,9376 - R 39,6178

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    5.19 N
  • Load at Load Length
    58.54 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    25.4 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 2.84 Nmm Stainless Steel

10439890

Price Range
R 47,9376 - R 39,6178

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    5.19 N
  • Load at Load Length
    58.54 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    38.1 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 1.23 Nmm Stainless Steel

10635131

Price Range
R 47,9376 - R 39,6178

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    5.19 N
  • Load at Load Length
    58.54 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    63.5 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 0.12 Nmm Carbon Steel

10439111

Price Range
R 34,4075 - R 28,436

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    0.85 N
  • Load at Load Length
    9.21 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    38.1 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.05 Nmm Carbon Steel

10439142

Price Range
R 34,7416 - R 28,712

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    0.85 N
  • Load at Load Length
    9.21 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    63.5 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 1.73 Nmm Carbon Steel

10439173

Price Range
R 34,7416 - R 28,712

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    2.22 N
  • Load at Load Length
    23.58 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    22.4 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.11 Nmm Carbon Steel

10645284

Price Range
R 34,4075 - R 28,436

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    0.85 N
  • Load at Load Length
    9.21 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    44.5 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 1.14 Nmm Carbon Steel

10416396

Price Range
R 34,7416 - R 28,712

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    2.22 N
  • Load at Load Length
    23.58 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    28.5 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.26 Nmm Carbon Steel

10439241

Price Range
R 45,4561 - R 37,5671

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    2.22 N
  • Load at Load Length
    23.58 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    88.9 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 3.41 Nmm Carbon Steel

10646021

Price Range
R 36,516 - R 30,1785

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    6.23 N
  • Load at Load Length
    70.28 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    38.1 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.33 Nmm Carbon Steel

10439227

Price Range
R 34,7416 - R 28,712

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    2.22 N
  • Load at Load Length
    23.58 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    69.9 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 1.47 Nmm Carbon Steel

10421598

Price Range
R 36,516 - R 30,1785

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    6.23 N
  • Load at Load Length
    70.28 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    63.5 mm
  • Material
    Carbon Steel
Extension Spring 12.7 mm 0.37 Nmm Carbon Steel

10439388

Price Range
R 36,3366 - R 30,0302

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.78 N
  • Load at Load Length
    19.57 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    34.8 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 2.52 Nmm Carbon Steel

10413906

Price Range
R 36,1648 - R 29,8883

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    3.65 N
  • Load at Load Length
    40.30 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    28.5 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 0.60 Nmm Carbon Steel

10414798

Price Range
R 36,516 - R 30,1785

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    3.65 N
  • Load at Load Length
    40.30 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    57.2 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 3.99 Nmm Carbon Steel

10439159

Price Range
R 34,7416 - R 28,712

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    2.22 N
  • Load at Load Length
    23.58 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    15.8 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 9.91 Nmm Carbon Steel

10632918

Price Range
R 36,1648 - R 29,8883

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    6.23 N
  • Load at Load Length
    70.28 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    25.4 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.44 Nmm Carbon Steel

10439203

Price Range
R 34,7416 - R 28,712

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    2.22 N
  • Load at Load Length
    23.58 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    57.2 mm
  • Material
    Carbon Steel