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Specifications

 

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Imperial/Inches Metric
Physical Dimension

mm cm

Load

N kg gm

 
 

EI 014C 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
14.200
Published Stock Code
EI014C01M
Product Type
Extension Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
0.82
Rate (kg/cm)
0.84
Rate (lb/in)
4.69
Rate (gm/mm)
83.80
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)
0.21
Inside Diameter (in)
0.08
Inside Diameter (mm)
2.06
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)
838.00
Rate (kg/mm)
0.08
Rate (N/cm)
8.21
Rate - Build Spec (lb/in)
4.69
Rate Tolerance (gm/cm)
83.80
Rate Tolerance (gm/mm)
8.38
Rate Tolerance (kg/cm)
0.08
Rate Tolerance (kg/mm)
0.01
Rate Tolerance (lb/in)
0.47
Rate Tolerance (N/cm)
0.82
Rate Tolerance (N/mm)
0.08
Rate Tolerance - Build Spec (lb/in)
0.47
Total Coils - Build Spec
14.16
Wire Diameter (cm)
0.04
Wire Diameter (inch)
0.01
Wire Diameter (mm)
0.36
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)
0.13
Initial Tension (lb)
0.13
Initial Tension (N)
0.58
Initial Tension (kg)
0.06
Initial Tension (gm)
59.00
Initial Tension Tolerance - Build Spec. (lb)
0.03
Initial Tension Tolerance (lb)
0.03
Initial Tension Tolerance (N)
0.12
Initial Tension Tolerance (kg)
0.01
Initial Tension Tolerance (gm)
11.79
Inside Diameter Tolerance - Build Spec (in)
REF
Max Load - Build Spec. (lb)
1.46
Max Load (lb)
1.46
Max Load (kg)
0.66
Max Load (gm)
663.60
Max Extended Length - Build Spec. (in)
0.66
Max Extended Length (in)
0.66
Max Extended Length (mm)
16.74
Max Extended Length (cm)
1.67
Body Length - Build Spec. (in)
0.21
Body Length (in)
0.21
Body Length (mm)
5.38
Body Length (cm)
0.54
Loop Inside Diameter - Build Spec. (in)
0.08
Loop Inside Diameter (in)
0.08
Loop Inside Diameter (mm)
2.06
Loop Inside Diameter (cm)
0.21
Loop Position
Random
Loop Opening - Build Spec. (in)
0.01
Loop Opening (in)
0.01
Loop Opening (mm)
0.36
Loop Opening (cm)
0.04
Max Load (N)
6.51
Inside Diameter - Build Spec (in)
0.08
Model Code
EI

Instrument Extension Series (inch)

Precision Springs for Precision Products.

Lee Spring EI 014C 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 0.081-inch loop inside diameter (2.06 mm) and extends from a free length of 0.375 inch (9.53 mm) to a maximum extended length of 0.659 inch (16.74 mm). Made from Music Wire with a 0.014-inch wire diameter (0.36 mm), the spring delivers a spring rate of 4.69 lb/inch (0.821 N/mm) through its 14.2 total coils with an initial tension of 0.13 lb (0.578 N). The spring supports a maximum load of 1.463 lb (6.508 N) at full extension with a body length of 0.212 inch (5.38 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

236091
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 014C 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) 0.014
Wire Diameter (cm) 0.036
Wire Diameter (mm) 0.36
Max Load (gm) 663.6
Max Load (lb) 1.463
Max Load (kg) 0.6636
Max Load (N) 6.508
Rate (gm/cm) 838
Rate (gm/mm) 83.8
Rate (kg/cm) 0.838
Rate (kg/mm) 0.0838
Rate (lb/in) 4.69
Rate (N/cm) 8.21
Rate (N/mm) 0.821
Max Extended Length (cm) 1.674
Max Extended Length (in) 0.659
Max Extended Length (mm) 16.74
Initial Tension (gm) 59
Initial Tension (kg) 0.059
Initial Tension (lb) 0.13
Initial Tension (N) 0.578
Free Length (cm) 0.953
Free Length (inch) 0.375
Free Length (mm) 9.53
Material Music Wire
Loop Inside Diameter (cm) 0.206
Loop Inside Diameter (in) 0.081
Loop Inside Diameter (mm) 2.06
Ends Standard Loops
Loop Position Random
Direction of Wind Factory Option
Finish Pre-coated with Tin
0.014 0.109 0.005 0.375 0.02 14.2 0.13 0.026 4.69 0.469 0.659 1.463 0.014 0.212 Random 0.109 0.005 0.375 0.02 14.2 0.13 0.026 4.69 0.469 0.659 1.463
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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