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Specifications

 

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Imperial/Inches Metric
Physical Dimension

mm cm

Load

N kg gm

 
 

LE 029C 02 S

Cost
$0.00
$0.00
Price
$0.00
Weight
0.00 lb.
Direction of Wind
Factory Option
Ends
Standard Loops
Finish
Passivate per ASTM A967
Material
Stainless Steel
Total Coils
25.200
Published Stock Code
LE029C02S
Product Type
Extension Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
0.57
Rate (kg/cm)
0.58
Rate (lb/in)
3.25
Rate (gm/mm)
58.00
Weight per Item (lb)
0.00
Material Specification
ASTM A313
Free Length (cm)
2.858
Free Length (inch)
1.125
Free Length (mm)
28.580
Free Length - Build Spec (in)
1.13
Free Length Tolerance (cm)
0.09
Free Length Tolerance (in)
0.04
Free Length Tolerance (mm)
0.89
Free Length Tolerance - Build Spec (in)
0.04
Inside Diameter (cm)
0.49
Inside Diameter (in)
0.19
Inside Diameter (mm)
4.88
Outside Diameter (cm)
0.635
Outside Diameter (in)
0.25
Outside Diameter (mm)
6.35
Outside Diameter - Build Spec (in)
0.25
Outside Diameter Tolerance (cm)
0.01
Outside Diameter Tolerance (in)
0.01
Outside Diameter Tolerance (mm)
0.13
Outside Diameter Tolerance - Build Spec (in)
0.01
Rate (gm/cm)
580.00
Rate (kg/mm)
0.06
Rate (N/cm)
5.69
Rate - Build Spec (lb/in)
3.25
Rate Tolerance (gm/cm)
58.00
Rate Tolerance (gm/mm)
5.80
Rate Tolerance (kg/cm)
0.06
Rate Tolerance (kg/mm)
0.01
Rate Tolerance (lb/in)
0.33
Rate Tolerance (N/cm)
0.57
Rate Tolerance (N/mm)
0.06
Rate Tolerance - Build Spec (lb/in)
0.33
Total Coils - Build Spec
25.20
Wire Diameter (cm)
0.07
Wire Diameter (inch)
0.03
Wire Diameter (mm)
0.74
Wire Diameter - Build Spec (in)
0.03
Material Short Description
SS
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)
0.46
Initial Tension (lb)
0.46
Initial Tension (N)
2.04
Initial Tension (kg)
0.21
Initial Tension (gm)
207.80
Initial Tension Tolerance - Build Spec. (lb)
0.09
Initial Tension Tolerance (lb)
0.09
Initial Tension Tolerance (N)
0.41
Initial Tension Tolerance (kg)
0.04
Initial Tension Tolerance (gm)
41.56
Inside Diameter Tolerance - Build Spec (in)
REF
Max Load - Build Spec. (lb)
3.58
Max Load (lb)
3.58
Max Load (kg)
1.62
Max Load (gm)
1624.70
Max Extended Length - Build Spec. (in)
2.09
Max Extended Length (in)
2.09
Max Extended Length (mm)
52.96
Max Extended Length (cm)
5.30
Body Length - Build Spec. (in)
0.74
Body Length (in)
0.74
Body Length (mm)
18.82
Body Length (cm)
1.88
Loop Inside Diameter - Build Spec. (in)
0.19
Loop Inside Diameter (in)
0.19
Loop Inside Diameter (mm)
4.88
Loop Inside Diameter (cm)
0.49
Loop Position
Random
Loop Opening - Build Spec. (in)
0.03
Loop Opening (in)
0.03
Loop Opening (mm)
0.74
Loop Opening (cm)
0.07
Max Load (N)
15.93
Inside Diameter - Build Spec (in)
0.19
Model Code
LE

Standard Extension Series (inch)

Selection to Match Your Needs

Lee Spring LE 029C 02 S is a precision extension spring from the Standard Extension Series (inch), engineered for applications requiring reliable quality extension springs. This spring features a 0.25-inch outside diameter (6.35 mm) with 0.192-inch loop inside diameter (4.88 mm) and extends from a free length of 1.125 inch (28.58 mm) to a maximum extended length of 2.085 inch (52.96 mm). Made from Stainless Steel with a 0.029-inch wire diameter (0.74 mm), the spring delivers a spring rate of 3.25 lb/inch (0.569 N/mm) through its 25.2 total coils with an initial tension of 0.4581 lb (2.038 N). The spring supports a maximum load of 3.5819 lb (15.933 N) at full extension with a body length of 0.741 inch (18.82 mm). The spring features Random loop position and Passivate per ASTM A967 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

244141
Product Extension OD 0.25 in, Length 1.125 in, Stainless Steel
Product Extension OD 6.35 mm, Length 28.58 mm, Stainless Steel
Part Number LE 029C 02 S
Series Standard Extension Series (inch)
Outside Diameter (inch) 0.25
Outside Diameter (cm) 0.635
Outside Diameter (mm) 6.35
Wire Diameter (inch) 0.029
Wire Diameter (cm) 0.074
Wire Diameter (mm) 0.74
Max Load (gm) 1624.7
Max Load (lb) 3.5819
Max Load (kg) 1.6247
Max Load (N) 15.933
Rate (gm/cm) 580
Rate (gm/mm) 58
Rate (kg/cm) 0.58
Rate (kg/mm) 0.058
Rate (lb/in) 3.25
Rate (N/cm) 5.69
Rate (N/mm) 0.569
Max Extended Length (cm) 5.296
Max Extended Length (in) 2.085
Max Extended Length (mm) 52.96
Initial Tension (gm) 207.8
Initial Tension (kg): 0.2078
Initial Tension (lb) 0.4581
Initial Tension (N) 2.038
Free Length (cm) 2.858
Free Length (inch) 1.125
Free Length (mm) 28.58
Material Stainless Steel
Loop Inside Diameter (cm) 0.488
Loop Inside Diameter (in) 0.192
Loop Inside Diameter (mm) 4.88
Ends Standard Loops
Loop Position Random
Direction of Wind Factory Option
Finish Passivate per ASTM A967
0.029 0.25 0.005 1.125 0.035 25.2 0.4581 0.09162 3.25 0.325 2.085 3.5819 0.029 0.741 Random 0.25 0.005 1.125 0.035 25.2 0.4581 0.09162 3.25 0.325 2.085 3.5819
Default View
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Quantity Price
1 - 19 $8.570
20 - 49 $5.170
50 - 99 $2.720
100 - 199 $1.690
200 - 299 $1.441
300 - 399 $1.366
400 - 499 $1.296
500 - 599 $1.234
600 - 699 $1.179
700 - 799 $1.134
800 - 899 $1.096
900 - 999 $1.064
1000 $1.043

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