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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
10439241 R 38,3184 - R 46,3653 Request the lead time here
2.22 N
88.9 mm
Carbon Steel
23.58 N
R 30,782 - R 37,2463 Request the lead time here
3.65 N
25.4 mm
Carbon Steel
40.30 N
R 30,782 - R 37,2463 Request the lead time here
3.65 N
38.1 mm
Carbon Steel
40.30 N
R 30,782 - R 37,2463 Request the lead time here
3.65 N
63.5 mm
Carbon Steel
40.30 N
R 40,4102 - R 48,8963 Request the lead time here
3.04 N
38.1 mm
Stainless Steel
33.57 N
R 40,4102 - R 48,8963 Request the lead time here
3.04 N
63.5 mm
Stainless Steel
33.57 N
R 40,4102 - R 48,8963 Request the lead time here
5.19 N
28.5 mm
Stainless Steel
58.54 N
R 40,4102 - R 48,8963 Request the lead time here
5.19 N
44.5 mm
Stainless Steel
58.54 N
R 40,4102 - R 48,8963 Request the lead time here
5.19 N
69.9 mm
Stainless Steel
58.54 N
R 40,4486 - R 48,9428 Request the lead time here
1.48 N
38.1 mm
Stainless Steel
16.30 N
R 40,4486 - R 48,9428 Request the lead time here
1.48 N
63.5 mm
Stainless Steel
16.30 N
R 46,3785 - R 56,118 Request the lead time here
1.48 N
101.6 mm
Stainless Steel
16.30 N
10440049 R 47,0937 - R 56,9834 Request the lead time here
6.30 N
34.8 mm
Stainless Steel
69.66 N
R 29,0047 - R 35,0957 Request the lead time here
0.85 N
15.8 mm
Carbon Steel
9.21 N
R 29,0047 - R 35,0957 Request the lead time here
0.85 N
28.5 mm
Carbon Steel
9.21 N
R 29,0047 - R 35,0957 Request the lead time here
0.85 N
44.5 mm
Carbon Steel
9.21 N
R 29,2863 - R 35,4364 Request the lead time here
0.85 N
69.9 mm
Carbon Steel
9.21 N
R 29,2863 - R 35,4364 Request the lead time here
2.22 N
25.4 mm
Carbon Steel
23.58 N
R 40,4102 - R 48,8963 Request the lead time here
3.04 N
57.2 mm
Stainless Steel
33.57 N
R 40,4102 - R 48,8963 Request the lead time here
5.19 N
25.4 mm
Stainless Steel
58.54 N
  • of 10
Extension Spring 6.1 mm 0.26 Nmm Carbon Steel

10439241

Price Range
R 46,3653 - R 38,3184

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 3.85 Nmm Carbon Steel

10439289

Price Range
R 37,2463 - R 30,782

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
    25.4 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 1.21 Nmm Carbon Steel

10424148

Price Range
R 37,2463 - R 30,782

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
    38.1 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 0.51 Nmm Carbon Steel

10439319

Price Range
R 37,2463 - R 30,782

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
    63.5 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 1.01 Nmm Stainless Steel

10421154

Price Range
R 48,8963 - R 40,4102

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 48,8963 - R 40,4102

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 48,8963 - R 40,4102

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 48,8963 - R 40,4102

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 48,8963 - R 40,4102

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 48,9428 - R 40,4486

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 48,9428 - R 40,4486

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 56,118 - R 46,3785

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
Extension Spring 12.7 mm 4.55 Nmm Stainless Steel

10440049

Price Range
R 56,9834 - R 47,0937

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
    34.8 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 0.75 Nmm Carbon Steel

10418505

Price Range
R 35,0957 - R 29,0047

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
    15.8 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.19 Nmm Carbon Steel

10439081

Price Range
R 35,0957 - R 29,0047

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
    28.5 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.11 Nmm Carbon Steel

10645284

Price Range
R 35,0957 - R 29,0047

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 0.05 Nmm Carbon Steel

10636695

Price Range
R 35,4364 - R 29,2863

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
    69.9 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 1.31 Nmm Carbon Steel

10416389

Price Range
R 35,4364 - R 29,2863

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
    25.4 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 0.50 Nmm Stainless Steel

10424155

Price Range
R 48,8963 - R 40,4102

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 48,8963 - R 40,4102

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