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Specifications

 

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Imperial/Inches Metric
Physical Dimension

mm cm

Load

N kg gm

 
 

LE 037C 02 S

Cost
$0.00
$0.00
Price
$0.00
Weight
0.00 lb.
Direction of Wind
Factory Option
Ends
Standard Loops
Finish
Passivate per ASTM A967
Material
Stainless Steel
Total Coils
19.400
Published Stock Code
LE037C02S
Product Type
Extension Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
2.19
Rate (kg/cm)
2.23
Rate (lb/in)
12.50
Rate (gm/mm)
223.20
Weight per Item (lb)
0.00
Material Specification
ASTM A313
Free Length (cm)
2.858
Free Length (inch)
1.125
Free Length (mm)
28.580
Free Length - Build Spec (in)
1.13
Free Length Tolerance (cm)
0.09
Free Length Tolerance (in)
0.04
Free Length Tolerance (mm)
0.89
Free Length Tolerance - Build Spec (in)
0.04
Inside Diameter (cm)
0.45
Inside Diameter (in)
0.18
Inside Diameter (mm)
4.47
Outside Diameter (cm)
0.635
Outside Diameter (in)
0.25
Outside Diameter (mm)
6.35
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)
2232.00
Rate (kg/mm)
0.22
Rate (N/cm)
21.89
Rate - Build Spec (lb/in)
12.50
Rate Tolerance (gm/cm)
223.20
Rate Tolerance (gm/mm)
22.32
Rate Tolerance (kg/cm)
0.22
Rate Tolerance (kg/mm)
0.02
Rate Tolerance (lb/in)
1.25
Rate Tolerance (N/cm)
2.19
Rate Tolerance (N/mm)
0.22
Rate Tolerance - Build Spec (lb/in)
1.25
Total Coils - Build Spec
19.39
Wire Diameter (cm)
0.09
Wire Diameter (inch)
0.04
Wire Diameter (mm)
0.94
Wire Diameter - Build Spec (in)
0.04
Material Short Description
SS
Product Series
Standard Extension Series (inch)
Inside Diameter Tolerance (cm)
Reference
Inside Diameter Tolerance (in)
Reference
Inside Diameter Tolerance (mm)
Reference
Initial Tension - Build Spec. (lb)
0.83
Initial Tension (lb)
0.83
Initial Tension (N)
3.71
Initial Tension (kg)
0.38
Initial Tension (gm)
377.80
Initial Tension Tolerance - Build Spec. (lb)
0.17
Initial Tension Tolerance (lb)
0.17
Initial Tension Tolerance (N)
0.74
Initial Tension Tolerance (kg)
0.08
Initial Tension Tolerance (gm)
75.57
Inside Diameter Tolerance - Build Spec (in)
REF
Max Load - Build Spec. (lb)
7.08
Max Load (lb)
7.08
Max Load (kg)
3.21
Max Load (gm)
3211.70
Max Extended Length - Build Spec. (in)
1.63
Max Extended Length (in)
1.63
Max Extended Length (mm)
41.28
Max Extended Length (cm)
4.13
Body Length - Build Spec. (in)
0.77
Body Length (in)
0.77
Body Length (mm)
19.63
Body Length (cm)
1.96
Loop Inside Diameter - Build Spec. (in)
0.18
Loop Inside Diameter (in)
0.18
Loop Inside Diameter (mm)
4.47
Loop Inside Diameter (cm)
0.45
Loop Position
Random
Loop Opening - Build Spec. (in)
0.04
Loop Opening (in)
0.04
Loop Opening (mm)
0.94
Loop Opening (cm)
0.09
Max Load (N)
31.50
Inside Diameter - Build Spec (in)
0.18
Model Code
LE

Extension Spring: OD 0.25 in, FL 1.125 in, Stainless Steel

Standard Extension Series (inch)

Selection to Match Your Needs

Lee Spring LE 037C 02 S is a precision extension spring from the Standard Extension Series (inch), engineered for applications requiring reliable quality extension springs. This spring features a 0.25-inch outside diameter (6.35 mm) with 0.176-inch loop inside diameter (4.47 mm) and extends from a free length of 1.125 inch (28.58 mm) to a maximum extended length of 1.625 inch (41.28 mm). Made from Stainless Steel with a 0.037-inch wire diameter (0.94 mm), the spring delivers a spring rate of 12.5 lb/inch (2.189 N/mm) through its 19.4 total coils with an initial tension of 0.833 lb (3.705 N). The spring supports a maximum load of 7.0805 lb (31.496 N) at full extension with a body length of 0.773 inch (19.63 mm). The spring features Random loop position and Passivate per ASTM A967 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 (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

247861
Product Extension OD 0.25 in, Length 1.125 in, Stainless Steel
Product Extension OD 6.35 mm, Length 28.58 mm, Stainless Steel
Part Number LE 037C 02 S
Series Standard Extension Series (inch)
Outside Diameter (inch) 0.25
Outside Diameter (cm) 0.635
Outside Diameter (mm) 6.35
Wire Diameter (inch) 0.037
Wire Diameter (cm) 0.094
Wire Diameter (mm) 0.94
Max Load (gm) 3211.7
Max Load (lb) 7.0805
Max Load (kg) 3.2117
Max Load (N) 31.496
Rate (gm/cm) 2232
Rate (gm/mm) 223.2
Rate (kg/cm) 2.232
Rate (kg/mm) 0.2232
Rate (lb/in) 12.5
Rate (N/cm) 21.89
Rate (N/mm) 2.189
Max Extended Length (cm) 4.128
Max Extended Length (in) 1.625
Max Extended Length (mm) 41.28
Initial Tension (gm) 377.8
Initial Tension (kg): 0.3778
Initial Tension (lb) 0.833
Initial Tension (N) 3.705
Free Length (cm) 2.858
Free Length (inch) 1.125
Free Length (mm) 28.58
Material Stainless Steel
Loop Inside Diameter (cm) 0.447
Loop Inside Diameter (in) 0.176
Loop Inside Diameter (mm) 4.47
Ends Standard Loops
Loop Position Random
Direction of Wind Factory Option
Finish Passivate per ASTM A967
0.037 0.25 0.005 1.125 0.035 19.4 0.833 0.1666 12.5 1.25 1.625 7.0805 0.037 0.773 Random 0.25 0.005 1.125 0.035 19.4 0.833 0.1666 12.5 1.25 1.625 7.0805
Default View
Side view
Top view
Quantity Price
1 - 19 $8.570
20 - 49 $5.170
50 - 99 $2.720
100 - 199 $1.690
200 - 299 $1.469
300 - 399 $1.403
400 - 499 $1.346
500 - 599 $1.295
600 - 699 $1.248
700 - 799 $1.212
800 - 899 $1.178
900 - 999 $1.153
1000 $1.132

Why Choose Lee Spring?

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on Stock Springs in the Continental United States

FREE Plating

on all Music Wire Stock Springs

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on all Standard Stock Compression Springs

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on Stock and Custom Springs

Certificate of Compliance

on all Stock Springs and Custom Springs

Guaranteed RoHS Compliance

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at all Locations

Enhanced CAD Downloads

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Global Flexibility

allows Lee Spring to find solutions that meet your
geographic requirements wherever your business
takes you in the world