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Specifications

 

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Imperial/Inches Metric
Physical Dimension

mm cm

Load

N kg gm

 
 

LEM080C 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
10.300
Published Stock Code
LEM080C02M
Product Type
Extension Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
2.31
Rate (kg/cm)
2.36
Rate (lb/in)
13.21
Rate (gm/mm)
235.90
Weight per Item (lb)
0.00
Material Specification
ASTM A228
Free Length (cm)
1.900
Free Length (inch)
0.748
Free Length (mm)
19.000
Free Length - Build Spec (in)
0.75
Free Length Tolerance (cm)
0.08
Free Length Tolerance (in)
0.03
Free Length Tolerance (mm)
0.76
Free Length Tolerance - Build Spec (in)
0.03
Inside Diameter (cm)
0.47
Inside Diameter (in)
0.19
Inside Diameter (mm)
4.72
Outside Diameter (cm)
0.630
Outside Diameter (in)
0.25
Outside Diameter (mm)
6.30
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)
2359.00
Rate (kg/mm)
0.24
Rate (N/cm)
23.14
Rate - Build Spec (lb/in)
13.21
Rate Tolerance (gm/cm)
235.90
Rate Tolerance (gm/mm)
23.59
Rate Tolerance (kg/cm)
0.24
Rate Tolerance (kg/mm)
0.02
Rate Tolerance (lb/in)
1.32
Rate Tolerance (N/cm)
2.31
Rate Tolerance (N/mm)
0.23
Rate Tolerance - Build Spec (lb/in)
1.32
Total Coils - Build Spec
10.26
Wire Diameter (cm)
0.08
Wire Diameter (inch)
0.03
Wire Diameter (mm)
0.79
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)
0.73
Initial Tension (lb)
0.73
Initial Tension (N)
3.25
Initial Tension (kg)
0.33
Initial Tension (gm)
331.10
Initial Tension Tolerance - Build Spec. (lb)
0.15
Initial Tension Tolerance (lb)
0.15
Initial Tension Tolerance (N)
0.65
Initial Tension Tolerance (kg)
0.07
Initial Tension Tolerance (gm)
66.23
Inside Diameter Tolerance - Build Spec (in)
REF
Max Load - Build Spec. (lb)
5.51
Max Load (lb)
5.51
Max Load (kg)
2.50
Max Load (gm)
2499.30
Max Extended Length - Build Spec. (in)
1.11
Max Extended Length (in)
1.11
Max Extended Length (mm)
28.14
Max Extended Length (cm)
2.81
Body Length - Build Spec. (in)
0.38
Body Length (in)
0.38
Body Length (mm)
9.55
Body Length (cm)
0.96
Loop Inside Diameter - Build Spec. (in)
0.19
Loop Inside Diameter (in)
0.19
Loop Inside Diameter (mm)
4.72
Loop Inside Diameter (cm)
0.47
Loop Position
Random
Loop Opening - Build Spec. (in)
0.03
Loop Opening (in)
0.03
Loop Opening (mm)
0.79
Loop Opening (cm)
0.08
Max Load (N)
24.51
Inside Diameter - Build Spec (in)
0.19
Model Code
LEM

Standard Extension Series (metric)

Selection to Match Your Needs

Lee Spring LEM080C 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 6.3-mm outside diameter (0.248 inch) with 4.72-mm loop inside diameter (0.186 inch) and extends from a free length of 19 mm (0.748 inch) to a maximum extended length of 28.14 mm (1.108 inch). Made from Music Wire with a 0.79-mm wire diameter (0.031 inch), the spring delivers a spring rate of 2.314 N/mm (13.21 lb/inch) through its 10.3 total coils with an initial tension of 3.247 N (0.73 lb) for predictable extension behavior. The spring supports a maximum load of 24.51 N (5.51 lb) at full extension with a body length of 9.55 mm (0.376 inch). 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 (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

270501
Product Extension OD 0.248 in, Length 0.748 in, Music Wire
Product Extension OD 6.3 mm, Length 19 mm, Music Wire
Part Number LEM080C 02 M
Series Standard Extension Series (metric)
Outside Diameter (inch) 0.248
Outside Diameter (cm) 0.63
Outside Diameter (mm) 6.3
Wire Diameter (inch) 0.031
Wire Diameter (cm) 0.079
Wire Diameter (mm) 0.79
Max Load (gm) 2499.3
Max Load (lb) 5.51
Max Load (kg) 2.4993
Max Load (N) 24.51
Rate (gm/cm) 2359
Rate (gm/mm) 235.9
Rate (kg/cm) 2.359
Rate (kg/mm) 0.2359
Rate (lb/in) 13.21
Rate (N/cm) 23.14
Rate (N/mm) 2.314
Max Extended Length (cm) 2.814
Max Extended Length (in) 1.108
Max Extended Length (mm) 28.14
Initial Tension (gm) 331.1
Initial Tension (kg) 0.3311
Initial Tension (lb) 0.73
Initial Tension (N) 3.247
Free Length (cm) 1.9
Free Length (inch) 0.748
Free Length (mm) 19
Material Music Wire
Loop Inside Diameter (cm) 0.472
Loop Inside Diameter (in) 0.186
Loop Inside Diameter (mm) 4.72
Ends Standard Loops
Loop Position Random
Direction of Wind Factory Option
Finish Zinc Plate and Bake per ASTM B633
0.031 0.248 0.005 0.748 0.03 10.3 0.73 0.146 13.21 1.321 1.108 5.51 0.031 0.376 Random 0.248 0.005 0.748 0.03 10.3 0.73 0.146 13.21 1.321 1.108 5.51
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Quantity Price
1 - 19 $8.570
20 - 49 $5.170
50 - 99 $2.720
100 - 199 $1.690
200 - 299 $1.449
300 - 399 $1.374
400 - 499 $1.307
500 - 599 $1.246
600 - 699 $1.195
700 - 799 $1.153
800 - 899 $1.116
900 - 999 $1.086
1000 $1.062

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