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Specifications

 

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Imperial/Inches Metric
Physical Dimension

mm cm

Load

N kg gm

 
 

EI 011C 01 M

Cost
$0.00
$0.00
Price
$0.00
Weight
0.00 lb.
Direction of Wind
Factory Option
Ends
Standard Loops
Finish
Pre-coated with Tin
Material
Music Wire
Total Coils
17.200
Published Stock Code
EI011C01M
Product Type
Extension Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
0.24
Rate (kg/cm)
0.24
Rate (lb/in)
1.34
Rate (gm/mm)
23.90
Weight per Item (lb)
0.00
Material Specification
ASTM A228
Free Length (cm)
0.953
Free Length (inch)
0.375
Free Length (mm)
9.530
Free Length - Build Spec (in)
0.38
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)
0.22
Inside Diameter (in)
0.09
Inside Diameter (mm)
2.21
Outside Diameter (cm)
0.277
Outside Diameter (in)
0.11
Outside Diameter (mm)
2.77
Outside Diameter - Build Spec (in)
0.11
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)
239.00
Rate (kg/mm)
0.02
Rate (N/cm)
2.35
Rate - Build Spec (lb/in)
1.34
Rate Tolerance (gm/cm)
23.90
Rate Tolerance (gm/mm)
2.39
Rate Tolerance (kg/cm)
0.02
Rate Tolerance (kg/mm)
0.00
Rate Tolerance (lb/in)
0.13
Rate Tolerance (N/cm)
0.24
Rate Tolerance (N/mm)
0.02
Rate Tolerance - Build Spec (lb/in)
0.13
Total Coils - Build Spec
17.21
Wire Diameter (cm)
0.03
Wire Diameter (inch)
0.01
Wire Diameter (mm)
0.28
Wire Diameter - Build Spec (in)
0.01
Material Short Description
MW
Product Series
Instrument Extension Series (inch)
Inside Diameter Tolerance (cm)
Reference
Inside Diameter Tolerance (in)
Reference
Inside Diameter Tolerance (mm)
Reference
Initial Tension - Build Spec. (lb)
0.07
Initial Tension (lb)
0.07
Initial Tension (N)
0.29
Initial Tension (kg)
0.03
Initial Tension (gm)
29.50
Initial Tension Tolerance - Build Spec. (lb)
0.01
Initial Tension Tolerance (lb)
0.01
Initial Tension Tolerance (N)
0.06
Initial Tension Tolerance (kg)
0.01
Initial Tension Tolerance (gm)
5.90
Inside Diameter Tolerance - Build Spec (in)
REF
Max Load - Build Spec. (lb)
0.70
Max Load (lb)
0.70
Max Load (kg)
0.32
Max Load (gm)
318.90
Max Extended Length - Build Spec. (in)
0.85
Max Extended Length (in)
0.85
Max Extended Length (mm)
21.62
Max Extended Length (cm)
2.16
Body Length - Build Spec. (in)
0.20
Body Length (in)
0.20
Body Length (mm)
5.08
Body Length (cm)
0.51
Loop Inside Diameter - Build Spec. (in)
0.09
Loop Inside Diameter (in)
0.09
Loop Inside Diameter (mm)
2.21
Loop Inside Diameter (cm)
0.22
Loop Position
Random
Loop Opening - Build Spec. (in)
0.01
Loop Opening (in)
0.01
Loop Opening (mm)
0.28
Loop Opening (cm)
0.03
Max Load (N)
3.13
Inside Diameter - Build Spec (in)
0.09
Model Code
EI

Instrument Extension Series (inch)

Precision Springs for Precision Products.

Lee Spring EI 011C 01 M is a precision extension spring from the Instrument Extension Series (inch) series, engineered for applications requiring reliable quality extension springs. This spring features a 0.109-inch outside diameter (2.77 mm) with 0.087-inch loop inside diameter (2.21 mm) and extends from a free length of 0.375 inch (9.53 mm) to a maximum extended length of 0.851 inch (21.62 mm). Made from Music Wire with a 0.011-inch wire diameter (0.28 mm), the spring delivers a spring rate of 1.341 lb/inch (0.235 N/mm) through its 17.2 total coils with an initial tension of 0.065 lb (0.289 N). The spring supports a maximum load of 0.703 lb (3.127 N) at full extension with a body length of 0.2 inch (5.08 mm). The spring features Random loop position and Pre-coated with Tin finish for optimal performance.

About the Extension Spring Instrument Series

The Lee Spring Extension Spring Instrument Series includes a wide range of size and rate combinations in a smaller, highly precise spring design. Selections are sorted in ascending order based on outside diameter. Instrument Series Extension Springs are available in both inch and metric sizes. Sizes range from outside diameters from .063" up to .157" and free lengths from .250" to 1.181". Inch 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 made from coated wire or 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.

Instrument 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

235041
Product Extension OD 0.109 in, Length 0.375 in, Music Wire
Product Extension OD 2.77 mm, Length 9.53 mm, Music Wire
Part Number EI 011C 01 M
Series Instrument Extension Series (inch)
Outside Diameter (inch) 0.109
Outside Diameter (cm) 0.277
Outside Diameter (mm) 2.77
Wire Diameter (inch) 0.011
Wire Diameter (cm) 0.028
Wire Diameter (mm) 0.28
Max Load (gm) 318.9
Max Load (lb) 0.703
Max Load (kg) 0.3189
Max Load (N) 3.127
Rate (gm/cm) 239
Rate (gm/mm) 23.9
Rate (kg/cm) 0.239
Rate (kg/mm) 0.0239
Rate (lb/in) 1.341
Rate (N/cm) 2.35
Rate (N/mm) 0.235
Max Extended Length (cm) 2.162
Max Extended Length (in) 0.851
Max Extended Length (mm) 21.62
Initial Tension (gm) 29.5
Initial Tension (kg) 0.0295
Initial Tension (lb) 0.065
Initial Tension (N) 0.289
Free Length (cm) 0.953
Free Length (inch) 0.375
Free Length (mm) 9.53
Material Music Wire
Loop Inside Diameter (cm) 0.221
Loop Inside Diameter (in) 0.087
Loop Inside Diameter (mm) 2.21
Ends Standard Loops
Loop Position Random
Direction of Wind Factory Option
Finish Pre-coated with Tin
0.011 0.109 0.005 0.375 0.02 17.2 0.065 0.013 1.341 0.134 0.851 0.703 0.011 0.2 Random 0.109 0.005 0.375 0.02 17.2 0.065 0.013 1.341 0.134 0.851 0.703
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 $1.525
300 - 399 $1.411
400 - 499 $1.308
500 - 599 $1.219
600 - 699 $1.138
700 - 799 $1.070
800 - 899 $1.015
900 - 999 $0.974
1000 $0.936

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