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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
10335123 R 28,436 - R 34,4075 Request the lead time here
0.85 N
19.1 mm
Carbon Steel
9.21 N
R 28,712 - R 34,7416 Request the lead time here
2.22 N
15.8 mm
Carbon Steel
23.58 N
R 28,712 - R 34,7416 Request the lead time here
0.85 N
31.8 mm
Carbon Steel
9.21 N
10439128 R 28,712 - R 34,7416 Request the lead time here
0.85 N
50.8 mm
Carbon Steel
9.21 N
R 28,712 - R 34,7416 Request the lead time here
0.85 N
25.4 mm
Carbon Steel
9.21 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 39,6555 - R 47,9831 Request the lead time here
1.48 N
69.9 mm
Stainless Steel
16.30 N
R 46,4574 - R 56,2135 Request the lead time here
1.48 N
114.3 mm
Stainless Steel
16.30 N
R 46,1703 - R 55,866 Request the lead time here
6.30 N
38.1 mm
Stainless Steel
69.66 N
R 46,738 - R 56,553 Request the lead time here
6.30 N
63.5 mm
Stainless Steel
69.66 N
R 49,2188 - R 59,5547 Request the lead time here
6.30 N
101.6 mm
Stainless Steel
69.66 N
R 39,6178 - R 47,9376 Request the lead time here
3.04 N
38.1 mm
Stainless Steel
33.57 N
R 39,6178 - R 47,9376 Request the lead time here
3.04 N
63.5 mm
Stainless Steel
33.57 N
R 39,6178 - R 47,9376 Request the lead time here
5.19 N
28.5 mm
Stainless Steel
58.54 N
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
5.19 N
69.9 mm
Stainless Steel
58.54 N
R 39,6555 - R 47,9831 Request the lead time here
1.48 N
38.1 mm
Stainless Steel
16.30 N
R 39,6555 - R 47,9831 Request the lead time here
1.48 N
63.5 mm
Stainless Steel
16.30 N
R 45,4692 - R 55,0177 Request the lead time here
1.48 N
101.6 mm
Stainless Steel
16.30 N
  • of 10
Extension Spring 6.1 mm 0.42 Nmm Carbon Steel

10335123

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
    19.1 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 6.1 mm 0.16 Nmm Carbon Steel

10439098

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
    31.8 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.09 Nmm Carbon Steel

10439128

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
    50.8 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.23 Nmm Carbon Steel

10234495

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
    25.4 mm
  • Material
    Carbon 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 12.7 mm 0.09 Nmm Stainless Steel

10439999

Price Range
R 47,9831 - R 39,6555

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.48 N
  • Load at Load Length
    16.30 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    69.9 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 0.04 Nmm Stainless Steel

10440018

Price Range
R 56,2135 - R 46,4574

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.48 N
  • Load at Load Length
    16.30 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    114.3 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 3.72 Nmm Stainless Steel

10440056

Price Range
R 55,866 - R 46,1703

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    6.30 N
  • Load at Load Length
    69.66 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    38.1 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 1.52 Nmm Stainless Steel

10440087

Price Range
R 56,553 - R 46,738

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    6.30 N
  • Load at Load Length
    69.66 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    63.5 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 0.80 Nmm Stainless Steel

10440117

Price Range
R 59,5547 - R 49,2188

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    6.30 N
  • Load at Load Length
    69.66 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    101.6 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 1.01 Nmm Stainless Steel

10421154

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
    38.1 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 0.42 Nmm Stainless Steel

10439845

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
    63.5 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 5.66 Nmm Stainless Steel

10439869

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
    28.5 mm
  • Material
    Stainless Steel
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 1.08 Nmm Stainless Steel

10416082

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
    69.9 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 0.25 Nmm Stainless Steel

10439944

Price Range
R 47,9831 - R 39,6555

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.48 N
  • Load at Load Length
    16.30 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    38.1 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 0.10 Nmm Stainless Steel

10439982

Price Range
R 47,9831 - R 39,6555

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.48 N
  • Load at Load Length
    16.30 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    63.5 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 0.04 Nmm Stainless Steel

10234617

Price Range
R 55,0177 - R 45,4692

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.48 N
  • Load at Load Length
    16.30 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    101.6 mm
  • Material
    Stainless Steel