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Specifications

 

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Physical Dimension

mm cm

Load

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LE 055DE 08M

Cost
$0.00
$0.00
Price
$0.00
Weight
0.03 lb.
Direction of Wind
Factory Option
Ends
Standard Loops
Finish
Zinc Plate and Bake per ASTM B633
Material
Music Wire
Total Coils
28.200
Published Stock Code
LE055DE08M
Product Type
Extension Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
1.40
Rate (kg/cm)
1.43
Rate (lb/in)
8.00
Rate (gm/mm)
142.90
Weight per Item (lb)
0.03
Material Specification
ASTM A228
Free Length (cm)
5.715
Free Length (inch)
2.250
Free Length (mm)
57.150
Free Length - Build Spec (in)
2.25
Free Length Tolerance (cm)
0.13
Free Length Tolerance (in)
0.05
Free Length Tolerance (mm)
1.27
Free Length Tolerance - Build Spec (in)
0.05
Inside Diameter (cm)
0.84
Inside Diameter (in)
0.33
Inside Diameter (mm)
8.38
Outside Diameter (cm)
1.113
Outside Diameter (in)
0.44
Outside Diameter (mm)
11.13
Outside Diameter - Build Spec (in)
0.44
Outside Diameter Tolerance (cm)
0.03
Outside Diameter Tolerance (in)
0.01
Outside Diameter Tolerance (mm)
0.25
Outside Diameter Tolerance - Build Spec (in)
0.01
Rate (gm/cm)
1429.00
Rate (kg/mm)
0.14
Rate (N/cm)
14.01
Rate - Build Spec (lb/in)
8.00
Rate Tolerance (gm/cm)
142.90
Rate Tolerance (gm/mm)
14.29
Rate Tolerance (kg/cm)
0.14
Rate Tolerance (kg/mm)
0.01
Rate Tolerance (lb/in)
0.80
Rate Tolerance (N/cm)
1.40
Rate Tolerance (N/mm)
0.14
Rate Tolerance - Build Spec (lb/in)
0.80
Total Coils - Build Spec
28.16
Wire Diameter (cm)
0.14
Wire Diameter (inch)
0.05
Wire Diameter (mm)
1.37
Wire Diameter - Build Spec (in)
0.05
Material Short Description
MW
Product Series
Standard Extension Series (inch)
Inside Diameter Tolerance (cm)
Reference
Inside Diameter Tolerance (in)
Reference
Inside Diameter Tolerance (mm)
Reference
Initial Tension - Build Spec. (lb)
1.50
Initial Tension (lb)
1.50
Initial Tension (N)
6.67
Initial Tension (kg)
0.68
Initial Tension (gm)
680.40
Initial Tension Tolerance - Build Spec. (lb)
0.30
Initial Tension Tolerance (lb)
0.30
Initial Tension Tolerance (N)
1.33
Initial Tension Tolerance (kg)
0.14
Initial Tension Tolerance (gm)
136.08
Inside Diameter Tolerance - Build Spec (in)
REF
Max Load - Build Spec. (lb)
15.00
Max Load (lb)
15.00
Max Load (kg)
6.80
Max Load (gm)
6804.00
Max Extended Length - Build Spec. (in)
3.94
Max Extended Length (in)
3.94
Max Extended Length (mm)
100.08
Max Extended Length (cm)
10.01
Body Length - Build Spec. (in)
1.57
Body Length (in)
1.57
Body Length (mm)
39.98
Body Length (cm)
4.00
Loop Inside Diameter - Build Spec. (in)
0.33
Loop Inside Diameter (in)
0.33
Loop Inside Diameter (mm)
8.38
Loop Inside Diameter (cm)
0.84
Loop Position
Random
Loop Opening - Build Spec. (in)
0.05
Loop Opening (in)
0.05
Loop Opening (mm)
1.37
Loop Opening (cm)
0.14
Max Load (N)
66.72
Inside Diameter - Build Spec (in)
0.33
Model Code
LE

Standard Extension Series (inch)

Selection to Match Your Needs

Lee Spring LE 055DE 08M is a precision extension spring from the Standard Extension Series (inch), engineered for applications requiring reliable quality extension springs. This spring features a 0.438-inch outside diameter (11.13 mm) with 0.33-inch loop inside diameter (8.38 mm) and extends from a free length of 2.25 inch (57.15 mm) to a maximum extended length of 3.94 inch (100.08 mm). Made from Music Wire with a 0.054-inch wire diameter (1.37 mm), the spring delivers a spring rate of 8 lb/inch (1.401 N/mm) through its 28.2 total coils with an initial tension of 1.5 lb (6.672 N). The spring supports a maximum load of 15 lb (66.723 N) at full extension with a body length of 1.574 inch (39.98 mm). The spring features Random loop position and Zinc Plate and Bake per ASTM B633 finish for optimal performance.

Extension Springs: Standard Series

The Lee Spring Standard Extension Spring Series includes a wide range of size and rate combinations and in both inch and metric sizes. Standard Series springs are available in Music Wire, Type 302 Stainless Steel and Type 316 Stainless Steel. Metric Series springs are available in Music Wire and Type 302 Stainless Steel. The Music Wire springs are provided with a plating finish for light corrosion resistance. The Type 302 Stainless Steel springs are passivated, while Type 316 Stainless Steel springs are passivated and ultrasonically cleaned.

Lee Spring's Stock Extension Springs are supplied with full diameter loops (either to machine or crossover center style) at a random position with the exception of Metric Extension Springs which are specified to meet DIN Standards. Loop openings are approximately one wire diameter and the direction of wind is factory optional.

Standard Extension Series (inch) Extension Springs have useful applications in various industries, including:

  • Medical devices
  • Firearms
  • Pharmaceutical delivery devices
  • Lighting and electrical control
  • Petro-chemical processes
  • Communication devices
  • Aerospace
  • Testing and measurement equipment
  • Marine applications
  • Automotive
  • Locks and security devices
  • Precision Instruments
  • Hardware

...and many more applications

256971
Product Extension OD 0.438 in, Length 2.25 in, Music Wire
Product Extension OD 11.13 mm, Length 57.15 mm, Music Wire
Part Number LE 055DE 08M
Series Standard Extension Series (inch)
Outside Diameter (inch) 0.438
Outside Diameter (cm) 1.113
Outside Diameter (mm) 11.13
Wire Diameter (inch) 0.054
Wire Diameter (cm) 0.137
Wire Diameter (mm) 1.37
Max Load (gm) 6804
Max Load (lb) 15
Max Load (kg) 6.804
Max Load (N) 66.723
Rate (gm/cm) 1429
Rate (gm/mm) 142.9
Rate (kg/cm) 1.429
Rate (kg/mm) 0.1429
Rate (lb/in) 8
Rate (N/cm) 14.01
Rate (N/mm) 1.401
Max Extended Length (cm) 10.008
Max Extended Length (in) 3.94
Max Extended Length (mm) 100.08
Initial Tension (gm) 680.4
Initial Tension (kg): 0.6804
Initial Tension (lb) 1.5
Initial Tension (N) 6.672
Free Length (cm) 5.715
Free Length (inch) 2.25
Free Length (mm) 57.15
Material Music Wire
Loop Inside Diameter (cm) 0.838
Loop Inside Diameter (in) 0.33
Loop Inside Diameter (mm) 8.38
Ends Standard Loops
Loop Position Random
Direction of Wind Factory Option
Finish Zinc Plate and Bake per ASTM B633
0.054 0.438 0.01 2.25 0.05 28.2 1.5 0.3 8 0.8 3.94 15 0.054 1.574 Random 0.438 0.01 2.25 0.05 28.2 1.5 0.3 8 0.8 3.94 15
Default View
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Quantity Price
1 - 19 $10.590
20 - 49 $6.460
50 - 99 $3.530
100 - 199 $2.250
200 - 299 $1.893
300 - 399 $1.776
400 - 499 $1.665
500 - 599 $1.564
600 - 699 $1.479
700 - 799 $1.408
800 - 899 $1.346
900 - 999 $1.298
1000 $1.263

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