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Specifications

 

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Imperial/Inches Metric
Physical Dimension

mm cm

Load

N kg gm

 
 

LEM070AB 02 M

Cost
$0.00
$0.00
Price
$0.00
Weight
0.00 lb.
Direction of Wind
Factory Option
Ends
Standard Loops
Finish
Zinc Plate and Bake per ASTM B633
Material
Music Wire
Total Coils
16.000
Published Stock Code
LEM070AB02M
Product Type
Extension Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
6.95
Rate (kg/cm)
7.09
Rate (lb/in)
39.69
Rate (gm/mm)
708.80
Weight per Item (lb)
0.00
Material Specification
ASTM A228
Free Length (cm)
1.529
Free Length (inch)
0.602
Free Length (mm)
15.290
Free Length - Build Spec (in)
0.60
Free Length Tolerance (cm)
0.05
Free Length Tolerance (in)
0.02
Free Length Tolerance (mm)
0.51
Free Length Tolerance - Build Spec (in)
0.02
Inside Diameter (cm)
0.21
Inside Diameter (in)
0.08
Inside Diameter (mm)
2.13
Outside Diameter (cm)
0.351
Outside Diameter (in)
0.14
Outside Diameter (mm)
3.51
Outside Diameter - Build Spec (in)
0.14
Outside Diameter Tolerance (cm)
0.02
Outside Diameter Tolerance (in)
0.01
Outside Diameter Tolerance (mm)
0.15
Outside Diameter Tolerance - Build Spec (in)
0.01
Rate (gm/cm)
7088.00
Rate (kg/mm)
0.71
Rate (N/cm)
69.51
Rate - Build Spec (lb/in)
39.69
Rate Tolerance (gm/cm)
708.80
Rate Tolerance (gm/mm)
70.88
Rate Tolerance (kg/cm)
0.71
Rate Tolerance (kg/mm)
0.07
Rate Tolerance (lb/in)
3.97
Rate Tolerance (N/cm)
6.95
Rate Tolerance (N/mm)
0.70
Rate Tolerance - Build Spec (lb/in)
3.97
Total Coils - Build Spec
16.00
Wire Diameter (cm)
0.07
Wire Diameter (inch)
0.03
Wire Diameter (mm)
0.69
Wire Diameter - Build Spec (in)
0.03
Material Short Description
MW
Product Series
Standard Extension Series (metric)
Inside Diameter Tolerance (cm)
Reference
Inside Diameter Tolerance (in)
Reference
Inside Diameter Tolerance (mm)
Reference
Initial Tension - Build Spec. (lb)
1.01
Initial Tension (lb)
1.01
Initial Tension (N)
4.47
Initial Tension (kg)
0.46
Initial Tension (gm)
455.90
Initial Tension Tolerance - Build Spec. (lb)
0.20
Initial Tension Tolerance (lb)
0.20
Initial Tension Tolerance (N)
0.89
Initial Tension Tolerance (kg)
0.09
Initial Tension Tolerance (gm)
91.17
Inside Diameter Tolerance - Build Spec (in)
REF
Max Load - Build Spec. (lb)
6.90
Max Load (lb)
6.90
Max Load (kg)
3.13
Max Load (gm)
3129.80
Max Extended Length - Build Spec. (in)
0.75
Max Extended Length (in)
0.75
Max Extended Length (mm)
19.08
Max Extended Length (cm)
1.91
Body Length - Build Spec. (in)
0.48
Body Length (in)
0.48
Body Length (mm)
12.09
Body Length (cm)
1.21
Loop Inside Diameter - Build Spec. (in)
0.08
Loop Inside Diameter (in)
0.08
Loop Inside Diameter (mm)
2.08
Loop Inside Diameter (cm)
0.21
Loop Position
Inline
Loop Opening - Build Spec. (in)
0.03
Loop Opening (in)
0.03
Loop Opening (mm)
0.69
Loop Opening (cm)
0.07
Max Load (N)
30.69
Inside Diameter - Build Spec (in)
0.08
Model Code
LEM

Standard Extension Series (metric)

Selection to Match Your Needs

Lee Spring LEM070AB 02 M is a precision extension spring from the Standard Extension Series (metric) series, engineered for applications requiring reliable quality extension springs. This spring features a 3.51-mm outside diameter (0.138 inch) with 2.08-mm loop inside diameter (0.082 inch) and extends from a free length of 15.29 mm (0.602 inch) to a maximum extended length of 19.08 mm (0.751 inch). Made from Music Wire with a 0.69-mm wire diameter (0.027 inch), the spring delivers a spring rate of 6.951 N/mm (39.69 lb/inch) through its 16 total coils with an initial tension of 4.47 N (1.005 lb) for predictable extension behavior. The spring supports a maximum load of 30.693 N (6.9 lb) at full extension with a body length of 12.09 mm (0.476 inch). The spring features Inline 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 (metric) 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

269661
Product Extension OD 0.138 in, Length 0.602 in, Music Wire
Product Extension OD 3.51 mm, Length 15.29 mm, Music Wire
Part Number LEM070AB 02 M
Series Standard Extension Series (metric)
Outside Diameter (inch) 0.138
Outside Diameter (cm) 0.351
Outside Diameter (mm) 3.51
Wire Diameter (inch) 0.027
Wire Diameter (cm) 0.069
Wire Diameter (mm) 0.69
Max Load (gm) 3129.8
Max Load (lb) 6.9
Max Load (kg) 3.1298
Max Load (N) 30.693
Rate (gm/cm) 7088
Rate (gm/mm) 708.8
Rate (kg/cm) 7.088
Rate (kg/mm) 0.7088
Rate (lb/in) 39.69
Rate (N/cm) 69.51
Rate (N/mm) 6.951
Max Extended Length (cm) 1.908
Max Extended Length (in) 0.751
Max Extended Length (mm) 19.08
Initial Tension (gm) 455.9
Initial Tension (kg) 0.4559
Initial Tension (lb) 1.005
Initial Tension (N) 4.47
Free Length (cm) 1.529
Free Length (inch) 0.602
Free Length (mm) 15.29
Material Music Wire
Loop Inside Diameter (cm) 0.208
Loop Inside Diameter (in) 0.082
Loop Inside Diameter (mm) 2.08
Ends Standard Loops
Loop Position Inline
Direction of Wind Factory Option
Finish Zinc Plate and Bake per ASTM B633
0.027 0.138 0.006 0.602 0.02 16 1.005 0.201 39.69 3.969 0.751 6.9 0.027 0.476 Inline 0.138 0.006 0.602 0.02 16 1.005 0.201 39.69 3.969 0.751 6.9
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Quantity Price
1 - 19 $8.870
20 - 49 $5.370
50 - 99 $2.840
100 - 199 $1.770
200 - 299 $1.607
300 - 399 $1.534
400 - 499 $1.483
500 - 599 $1.446
600 - 699 $1.414
700 - 799 $1.386
800 - 899 $1.364
900 - 999 $1.341
1000 $1.323

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