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Specifications

 

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Imperial/Inches Metric
Physical Dimension

mm cm

Load

N kg gm

 
 

LEM070CB 05 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
60.000
Published Stock Code
LEM070CB05S
Product Type
Extension Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
0.11
Rate (kg/cm)
0.11
Rate (lb/in)
0.63
Rate (gm/mm)
11.30
Weight per Item (lb)
0.01
Material Specification
ASTM A313
Free Length (cm)
5.250
Free Length (inch)
2.067
Free Length (mm)
52.500
Free Length - Build Spec (in)
2.07
Free Length Tolerance (cm)
0.10
Free Length Tolerance (in)
0.04
Free Length Tolerance (mm)
1.04
Free Length Tolerance - Build Spec (in)
0.04
Inside Diameter (cm)
0.61
Inside Diameter (in)
0.24
Inside Diameter (mm)
6.12
Outside Diameter (cm)
0.749
Outside Diameter (in)
0.30
Outside Diameter (mm)
7.49
Outside Diameter - Build Spec (in)
0.30
Outside Diameter Tolerance (cm)
0.03
Outside Diameter Tolerance (in)
0.01
Outside Diameter Tolerance (mm)
0.30
Outside Diameter Tolerance - Build Spec (in)
0.01
Rate (gm/cm)
113.00
Rate (kg/mm)
0.01
Rate (N/cm)
1.10
Rate - Build Spec (lb/in)
0.63
Rate Tolerance (gm/cm)
11.30
Rate Tolerance (gm/mm)
1.13
Rate Tolerance (kg/cm)
0.01
Rate Tolerance (kg/mm)
0.00
Rate Tolerance (lb/in)
0.06
Rate Tolerance (N/cm)
0.11
Rate Tolerance (N/mm)
0.01
Rate Tolerance - Build Spec (lb/in)
0.06
Total Coils - Build Spec
60.00
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
SS
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)
0.41
Initial Tension (lb)
0.41
Initial Tension (N)
1.82
Initial Tension (kg)
0.19
Initial Tension (gm)
185.10
Initial Tension Tolerance - Build Spec. (lb)
0.08
Initial Tension Tolerance (lb)
0.08
Initial Tension Tolerance (N)
0.36
Initial Tension Tolerance (kg)
0.04
Initial Tension Tolerance (gm)
37.20
Inside Diameter Tolerance - Build Spec (in)
REF
Max Load - Build Spec. (lb)
2.88
Max Load (lb)
2.88
Max Load (kg)
1.31
Max Load (gm)
1306.40
Max Extended Length - Build Spec. (in)
6.04
Max Extended Length (in)
6.04
Max Extended Length (mm)
153.49
Max Extended Length (cm)
15.35
Body Length - Build Spec. (in)
1.71
Body Length (in)
1.71
Body Length (mm)
43.38
Body Length (cm)
4.34
Loop Inside Diameter - Build Spec. (in)
0.24
Loop Inside Diameter (in)
0.24
Loop Inside Diameter (mm)
6.07
Loop Inside Diameter (cm)
0.61
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)
12.81
Inside Diameter - Build Spec (in)
0.24
Model Code
LEM

Standard Extension Series (metric)

Selection to Match Your Needs

Lee Spring LEM070CB 05 S is a precision extension spring from the Standard Extension Series (metric) series, engineered for applications requiring reliable quality extension springs. This spring features a 7.49-mm outside diameter (0.295 inch) with 6.07-mm loop inside diameter (0.239 inch) and extends from a free length of 52.5 mm (2.067 inch) to a maximum extended length of 153.49 mm (6.043 inch). Made from Stainless Steel with a 0.69-mm wire diameter (0.027 inch), the spring delivers a spring rate of 0.11 N/mm (0.63 lb/inch) through its 60 total coils with an initial tension of 1.815 N (0.408 lb) for predictable extension behavior. The spring supports a maximum load of 12.811 N (2.88 lb) at full extension with a body length of 43.38 mm (1.708 inch). The spring features Inline 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 (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

269871
Product Extension OD 0.295 in, Length 2.067 in, Stainless Steel
Product Extension OD 7.49 mm, Length 52.5 mm, Stainless Steel
Part Number LEM070CB 05 S
Series Standard Extension Series (metric)
Outside Diameter (inch) 0.295
Outside Diameter (cm) 0.749
Outside Diameter (mm) 7.49
Wire Diameter (inch) 0.027
Wire Diameter (cm) 0.069
Wire Diameter (mm) 0.69
Max Load (gm) 1306.4
Max Load (lb) 2.88
Max Load (kg) 1.3064
Max Load (N) 12.811
Rate (gm/cm) 113
Rate (gm/mm) 11.3
Rate (kg/cm) 0.113
Rate (kg/mm) 0.0113
Rate (lb/in) 0.63
Rate (N/cm) 1.1
Rate (N/mm) 0.11
Max Extended Length (cm) 15.349
Max Extended Length (in) 6.043
Max Extended Length (mm) 153.49
Initial Tension (gm) 185.1
Initial Tension (kg) 0.1851
Initial Tension (lb) 0.408
Initial Tension (N) 1.815
Free Length (cm) 5.25
Free Length (inch) 2.067
Free Length (mm) 52.5
Material Stainless Steel
Loop Inside Diameter (cm) 0.607
Loop Inside Diameter (in) 0.239
Loop Inside Diameter (mm) 6.07
Ends Standard Loops
Loop Position Inline
Direction of Wind Factory Option
Finish Passivate per ASTM A967
0.027 0.295 0.012 2.067 0.041 60 0.408 0.082 0.63 0.063 6.043 2.88 0.027 1.708 Inline 0.295 0.012 2.067 0.041 60 0.408 0.082 0.63 0.063 6.043 2.88
Default View
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Quantity Price
1 - 19 $8.870
20 - 49 $5.370
50 - 99 $2.840
100 - 199 $1.770
200 - 299 $1.724
300 - 399 $1.720
400 - 499 $1.719
500 - 599 $1.718
600 - 699 $1.716
700 - 799 $1.715
900 - 999 $1.714
800 - 899 $1.714
1000 $1.713

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