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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
28.5 mm
Stainless Steel
58.54 N
R 34,2015 - R 41,3838 Request the lead time here
1.85 N
38.1 mm
Stainless Steel
19.64 N
R 41,341 - R 50,0226 Request the lead time here
1.85 N
101.6 mm
Stainless Steel
19.64 N
R 49,2564 - R 59,6003 Request the lead time here
12.32 N
50.8 mm
Carbon Steel
137.09 N
R 39,6178 - R 47,9376 Request the lead time here
5.19 N
76.2 mm
Stainless Steel
58.54 N
R 39,6555 - R 47,9831 Request the lead time here
1.48 N
69.9 mm
Stainless Steel
16.30 N
R 46,1703 - R 55,866 Request the lead time here
6.30 N
38.1 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 77,585 - R 93,8779 Request the lead time here
10.28 N
88.9 mm
Stainless Steel
114.19 N
R 77,9901 - R 94,368 Request the lead time here
23.22 N
76.2 mm
Stainless Steel
258.22 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
63.5 mm
Stainless Steel
16.30 N
R 39,6178 - R 47,9376 Request the lead time here
3.04 N
50.8 mm
Stainless Steel
33.57 N
R 39,6178 - R 47,9376 Request the lead time here
5.19 N
34.8 mm
Stainless Steel
58.54 N
R 39,6555 - R 47,9831 Request the lead time here
1.48 N
31.8 mm
Stainless Steel
16.30 N
R 39,6178 - R 47,9376 Request the lead time here
3.04 N
44.5 mm
Stainless Steel
33.57 N
R 39,2369 - R 47,4766 Request the lead time here
5.19 N
31.8 mm
Stainless Steel
58.54 N
R 86,3836 - R 104,5241 Request the lead time here
23.22 N
101.6 mm
Stainless Steel
258.22 N
  • of 10
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 6.1 mm 0.61 Nmm Stainless Steel

10439722

Price Range
R 41,3838 - R 34,2015

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.85 N
  • Load at Load Length
    19.64 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    38.1 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 0.19 Nmm Stainless Steel

10439791

Price Range
R 50,0226 - R 41,341

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.85 N
  • Load at Load Length
    19.64 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    101.6 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 5.94 Nmm Carbon Steel

10439562

Price Range
R 59,6003 - R 49,2564

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    12.32 N
  • Load at Load Length
    137.09 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    50.8 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 0.96 Nmm Stainless Steel

10439920

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
    76.2 mm
  • Material
    Stainless 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 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 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 19.1 mm 1.47 Nmm Stainless Steel

10633885

Price Range
R 93,8779 - R 77,585

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    10.28 N
  • Load at Load Length
    114.19 N
  • Maximum Application Temperature
    230 °C
  • Overall Length
    88.9 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 9.56 Nmm Stainless Steel

10641835

Price Range
R 94,368 - R 77,9901

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    23.22 N
  • Load at Load Length
    258.22 N
  • Maximum Application Temperature
    230 °C
  • Overall Length
    76.2 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 0.10 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 10.6 mm 0.60 Nmm Stainless Steel

10420287

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
    50.8 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 3.43 Nmm Stainless Steel

10439883

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
    34.8 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 0.41 Nmm Stainless Steel

10424810

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
    31.8 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 0.74 Nmm Stainless Steel

10416211

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
    44.5 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 4.23 Nmm Stainless Steel

10439876

Price Range
R 47,4766 - R 39,2369

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
    31.8 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 5.97 Nmm Stainless Steel

10635148

Price Range
R 104,5241 - R 86,3836

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    23.22 N
  • Load at Load Length
    258.22 N
  • Maximum Application Temperature
    230 °C
  • Overall Length
    101.6 mm
  • Material
    Stainless Steel