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Specifications

 

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Imperial/Inches Metric
Physical Dimension

mm cm

Load

N kg gm

 
 

CIM025AA 04M

Cost
$0.00
$0.00
Price
$0.00
Weight
0.00 lb.
Direction of Wind
Factory Option
Ends
Squared
Finish
Pre-coated with Tin
Material
Music Wire
Total Coils
15.690
Product Series
Published Stock Code
CIM025AA04M
Product Type
Compression Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
0.58
Rate (kg/cm)
0.60
Rate (lb/in)
3.34
Rate (gm/mm)
59.57
Weight per Item (lb)
0.00
Material Specification
ASTM A228
Free Length (cm)
1.000
Free Length (inch)
0.394
Free Length (mm)
10.000
Free Length - Build Spec (in)
0.39
Free Length Tolerance (cm)
0.04
Free Length Tolerance (in)
0.02
Free Length Tolerance (mm)
0.43
Free Length Tolerance - Build Spec (in)
0.02
Hole Diameter (cm)
0.21
Hole Diameter (inch)
0.08
Hole Diameter (mm)
2.13
Inside Diameter (cm)
0.15
Inside Diameter (in)
0.06
Inside Diameter (mm)
1.50
Outside Diameter (cm)
0.200
Outside Diameter (in)
0.08
Outside Diameter (mm)
2.00
Outside Diameter - Build Spec (in)
0.08
Rate (gm/cm)
595.70
Rate (kg/mm)
0.06
Rate (N/cm)
5.84
Rate - Build Spec (lb/in)
3.34
Rate Tolerance (gm/cm)
59.47
Rate Tolerance (gm/mm)
5.95
Rate Tolerance (kg/cm)
0.06
Rate Tolerance (kg/mm)
0.01
Rate Tolerance (lb/in)
0.33
Rate Tolerance (N/cm)
0.58
Rate Tolerance (N/mm)
0.06
Rate Tolerance - Build Spec (lb/in)
0.33
Rod Diameter (cm)
0.14
Rod Diameter (inch)
0.05
Rod Diameter (mm)
1.37
Solid Height (cm)
0.42
Solid Height (inch)
0.17
Solid Height (mm)
4.24
Total Coils - Build Spec
15.69
Wire Diameter (cm)
0.03
Wire Diameter (inch)
0.01
Wire Diameter (mm)
0.25
Wire Diameter - Build Spec (in)
0.01
Hole Diameter - Build Spec. (in)
0.08
Rod Diameter - Build Spec. (in)
0.05
Rod Diameter Tolerance - Build Spec. (in)
MIN
Rod Diameter Tolerance (in)
MIN
Rod Diameter Tolerance (mm)
MIN
Rod Diameter Tolerance (cm)
MIN
Solid Height - Build Spec. (in)
0.17
Material Short Description
MW
Load at Solid Height (lb)
0.76
Load at Solid Height - Build Spec. (lb)
0.76
Load at Solid Height (N)
3.37
Load at Solid Height (kg)
0.34
Load at Solid Height (gm)
343.38
Active Coils - Build Spec.
13.69
Active Coils
13.69
Active Coils Tolerance - Build Spec.
Reference
Active Coils Tolerance
Reference
Product Series
Instrument Compression Series (metric)
Inside Diameter Tolerance (cm)
Reference
Inside Diameter Tolerance (in)
Reference
Inside Diameter Tolerance (mm)
Reference
Inside Diameter Tolerance - Build Spec (in)
Reference
Outside Diameter Tolerance (cm)
+/-0.008
Outside Diameter Tolerance (in)
+/-0.003
Outside Diameter Tolerance (mm)
+/-0.08
Outside Diameter Tolerance - Build Spec (in)
+/-0.003
Inside Diameter - Build Spec (in)
0.06
Outside Diameter Lower Tolerance (in)
0.00
Outside Diameter Upper Tolerance (in)
0.00
Outside Diameter Upper Tolerance (mm)
0.08
Outside Diameter Lower Tolerance (mm)
0.08
Model Code
CIM

Instrument Compression Series (metric) Compression Springs

Precision Springs for Precision Products .

Lee Spring CIM025AA 04M is a precision compression spring from the Instrument Compression Series (metric) series, engineered for applications requiring reliable performance in moderate-load scenarios. This spring features an 2-mm outside diameter (0.079 inch) with a 2.13-mm hole diameter (0.084 inch) and extends to a free length of 10 mm (0.394 inch), making it ideal for instruments and assemblies where consistent and precise compression characteristics are critical. Made from Music Wire with a 0.25-mm wire diameter (0.01 inch), the spring delivers a spring rate of 0.584 N/mm (3.336 lb/inch) through its 13.69 active coils out of 15.69 total coils for predictable deflection behavior. The spring compresses to a solid height of 4.24 mm (0.167 inch) while supporting a maximum load of 3.37 N (0.757 lb) at full compression. The spring has Squared ends and a Pre-coated with Tin finish for optimal performance.

About the Compression Spring Instrument Series

The Lee 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 to mating hole/bore diameter sizes. Instrument Compression Springs are available in both inch and metric series. 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. Lee Spring Instrument Compression Springs feature squared ends. A squared end, also called a closed end, is made by reducing the coil pitch of the ends to zero. Squareness influences how a force produced by the spring can be transferred to adjacent parts

Instrument Compression Series (metric) Compression 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

302221
Product Compression OD 0.079 in, Length 0.394 in, Music Wire
Product Compression OD 2 mm, Length 10 mm, Music Wire
Part Number CIM025AA 04M
Series Instrument Compression Series (metric)
Outside Diameter (inch) 0.079
Outside Diameter (cm) 0.2
Outside Diameter (mm) 2
Hole Diameter (inch) 0.084
Hole Diameter (cm) 0.213
Hole Diameter (mm) 2.13
Rod Diameter (inch) 0.054
Rod Diameter (cm) 0.137
Rod Diameter (mm) 1.37
Free Length (inch) 0.394
Free Length (cm) 1
Free Length (mm) 10
Rate (gm/mm) 59.57
Rate (kg/cm) 0.596
Rate (kg/mm) 0.0596
Rate (lb/inch) 3.336
Rate (gm/cm) 595.7
Rate (N/cm) 5.84
Rate (N/mm) 0.584
Solid Height (inch) 0.167
Solid Height (cm) 0.424
Solid Height (mm) 4.24
Wire Diameter (inch) 0.01
Wire Diameter (cm) 0.025
Wire Diameter (mm) 0.25
Material Music Wire
Load at Solid Height (gm) 343.38
Load at Solid Height (kg) 0.343
Load at Solid Height (lb) 0.757
Load at Solid Height (N) 3.37
Ends Squared
Active Coils 13.69
Direction of Wind Factory Option
Finish Pre-coated with Tin
Total Coils 15.69
0.01 0.079 0.003 0.003 0.084 0.054 0.394 0.017 15.69 3.336 0.333 0.167 0.757 0.01 0.394 0.079 0.25 2 0.08 2.13 1.37 10 0.432 0.584 4.24 3.37
Default View
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Quantity Price
1 - 19 $7.680
20 - 49 $4.650
50 - 99 $2.350
100 - 199 $1.510
200 - 299 $1.228
300 - 399 $1.123
400 - 499 $1.022
500 - 599 $0.939
600 - 699 $0.863
700 - 799 $0.802
800 - 899 $0.747
900 - 999 $0.702
1000 $0.670

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