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Specifications

 

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Imperial/Inches Metric
Physical Dimension

mm cm

Load

N kg gm

 
 

CIM025DA 05S

Cost
$0.00
$0.00
Price
$0.00
Weight
0.00 lb.
Direction of Wind
Right Hand
Ends
Squared
Finish
Passivate per ASTM A967
Material
Stainless Steel
Total Coils
20.500
Product Series
Published Stock Code
CIM025DA05S
Product Type
Compression Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
0.06
Rate (kg/cm)
0.06
Rate (lb/in)
0.32
Rate (gm/mm)
5.66
Weight per Item (lb)
0.00
Material Specification
ASTM A313
Free Length (cm)
3.410
Free Length (inch)
1.343
Free Length (mm)
34.100
Free Length - Build Spec (in)
1.34
Free Length Tolerance (cm)
0.17
Free Length Tolerance (in)
0.07
Free Length Tolerance (mm)
1.70
Free Length Tolerance - Build Spec (in)
0.07
Hole Diameter (cm)
0.40
Hole Diameter (inch)
0.16
Hole Diameter (mm)
4.00
Inside Diameter (cm)
0.30
Inside Diameter (in)
0.12
Inside Diameter (mm)
2.95
Outside Diameter (cm)
0.345
Outside Diameter (in)
0.14
Outside Diameter (mm)
3.45
Outside Diameter - Build Spec (in)
0.14
Rate (gm/cm)
56.60
Rate (kg/mm)
0.01
Rate (N/cm)
0.56
Rate - Build Spec (lb/in)
0.32
Rate Tolerance (gm/cm)
5.71
Rate Tolerance (gm/mm)
0.57
Rate Tolerance (kg/cm)
0.01
Rate Tolerance (kg/mm)
0.00
Rate Tolerance (lb/in)
0.03
Rate Tolerance (N/cm)
0.06
Rate Tolerance (N/mm)
0.01
Rate Tolerance - Build Spec (lb/in)
0.03
Rod Diameter (cm)
0.25
Rod Diameter (inch)
0.10
Rod Diameter (mm)
2.50
Solid Height (cm)
0.54
Solid Height (inch)
0.21
Solid Height (mm)
5.38
Total Coils - Build Spec
20.50
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)
0.16
Rod Diameter - Build Spec. (in)
0.10
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)
0.21
Material Short Description
SS
Load at Solid Height (lb)
0.36
Load at Solid Height - Build Spec. (lb)
0.36
Load at Solid Height (N)
1.60
Load at Solid Height (kg)
0.16
Load at Solid Height (gm)
163.30
Active Coils - Build Spec.
18.50
Active Coils
18.50
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)
+/-0.02
Outside Diameter Tolerance (in)
+/-0.0079
Outside Diameter Tolerance (mm)
+/-0.2
Outside Diameter Tolerance - Build Spec (in)
+/-0.0079
Inside Diameter - Build Spec (in)
0.12
Outside Diameter Lower Tolerance (in)
0.01
Outside Diameter Upper Tolerance (in)
0.01
Outside Diameter Upper Tolerance (mm)
0.20
Outside Diameter Lower Tolerance (mm)
0.20
Model Code
CIM

Instrument Compression Series (metric) Compression Springs

Precision Springs for Precision Products .

Lee Spring CIM025DA 05S 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 3.45-mm outside diameter (0.136 inch) with a 4-mm hole diameter (0.157 inch) and extends to a free length of 34.1 mm (1.343 inch), making it ideal for instruments and assemblies where consistent and precise compression characteristics are critical. Made from Stainless Steel with a 0.25-mm wire diameter (0.01 inch), the spring delivers a spring rate of 0.056 N/mm (0.317 lb/inch) through its 18.5 active coils out of 20.5 total coils for predictable deflection behavior. The spring compresses to a solid height of 5.38 mm (0.212 inch) while supporting a maximum load of 1.6 N (0.36 lb) at full compression. The spring has Squared ends and a Passivate per ASTM A967 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

303081
Product Compression OD 0.136 in, Length 1.343 in, Stainless Steel
Product Compression OD 3.45 mm, Length 34.1 mm, Stainless Steel
Part Number CIM025DA 05S
Series Instrument Compression Series (metric)
Outside Diameter (inch) 0.136
Outside Diameter (cm) 0.345
Outside Diameter (mm) 3.45
Hole Diameter (inch) 0.157
Hole Diameter (cm) 0.4
Hole Diameter (mm) 4
Rod Diameter (inch) 0.098
Rod Diameter (cm) 0.25
Rod Diameter (mm) 2.5
Free Length (inch) 1.343
Free Length (cm) 3.41
Free Length (mm) 34.1
Rate (gm/mm) 5.66
Rate (kg/cm) 0.057
Rate (kg/mm) 0.0057
Rate (lb/inch) 0.317
Rate (gm/cm) 56.6
Rate (N/cm) 0.56
Rate (N/mm) 0.056
Solid Height (inch) 0.212
Solid Height (cm) 0.538
Solid Height (mm) 5.38
Wire Diameter (inch) 0.01
Wire Diameter (cm) 0.025
Wire Diameter (mm) 0.25
Material Stainless Steel
Load at Solid Height (gm) 163.3
Load at Solid Height (kg) 0.163
Load at Solid Height (lb) 0.36
Load at Solid Height (N) 1.6
Ends Squared
Active Coils 18.5
Direction of Wind Right Hand
Finish Passivate per ASTM A967
Total Coils 20.5
0.01 0.136 0.0079 0.0079 0.157 0.098 1.343 0.067 20.5 0.317 0.032 0.212 0.36 0.01 1.343 0.136 0.25 3.45 0.2 4 2.5 34.1 1.702 0.056 5.38 1.6
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Quantity Price
1 - 19 $8.570
20 - 49 $5.170
50 - 99 $2.720
100 - 199 $1.690
200 - 299 $1.345
300 - 399 $1.227
400 - 499 $1.120
500 - 599 $1.021
600 - 699 $0.939
700 - 799 $0.866
800 - 899 $0.808
900 - 999 $0.761
1000 $0.723

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