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Specifications

 

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Imperial/Inches Metric
Physical Dimension

mm cm

Load

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LE 049CD 07S

Cost
$0.00
$0.00
Price
$0.00
Weight
0.02 lb.
Direction of Wind
Factory Option
Ends
Standard Loops
Finish
Passivate per ASTM A967
Material
Stainless Steel
Total Coils
33.600
Published Stock Code
LE049CD07S
Product Type
Extension Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
2.04
Rate (kg/cm)
2.08
Rate (lb/in)
11.66
Rate (gm/mm)
208.20
Weight per Item (lb)
0.02
Material Specification
ASTM A313
Free Length (cm)
5.080
Free Length (inch)
2.000
Free Length (mm)
50.800
Free Length - Build Spec (in)
2.00
Free Length Tolerance (cm)
0.10
Free Length Tolerance (in)
0.04
Free Length Tolerance (mm)
1.02
Free Length Tolerance - Build Spec (in)
0.04
Inside Diameter (cm)
0.55
Inside Diameter (in)
0.22
Inside Diameter (mm)
5.46
Outside Diameter (cm)
0.795
Outside Diameter (in)
0.31
Outside Diameter (mm)
7.95
Outside Diameter - Build Spec (in)
0.31
Outside Diameter Tolerance (cm)
0.03
Outside Diameter Tolerance (in)
0.01
Outside Diameter Tolerance (mm)
0.25
Outside Diameter Tolerance - Build Spec (in)
0.01
Rate (gm/cm)
2082.00
Rate (kg/mm)
0.21
Rate (N/cm)
20.42
Rate - Build Spec (lb/in)
11.66
Rate Tolerance (gm/cm)
208.20
Rate Tolerance (gm/mm)
20.82
Rate Tolerance (kg/cm)
0.21
Rate Tolerance (kg/mm)
0.02
Rate Tolerance (lb/in)
1.17
Rate Tolerance (N/cm)
2.04
Rate Tolerance (N/mm)
0.20
Rate Tolerance - Build Spec (lb/in)
1.17
Total Coils - Build Spec
33.59
Wire Diameter (cm)
0.12
Wire Diameter (inch)
0.05
Wire Diameter (mm)
1.24
Wire Diameter - Build Spec (in)
0.05
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)
1.50
Initial Tension (lb)
1.50
Initial Tension (N)
6.67
Initial Tension (kg)
0.68
Initial Tension (gm)
680.10
Initial Tension Tolerance - Build Spec. (lb)
0.30
Initial Tension Tolerance (lb)
0.30
Initial Tension Tolerance (N)
1.33
Initial Tension Tolerance (kg)
0.14
Initial Tension Tolerance (gm)
136.03
Inside Diameter Tolerance - Build Spec (in)
REF
Max Load - Build Spec. (lb)
12.50
Max Load (lb)
12.50
Max Load (kg)
5.67
Max Load (gm)
5667.70
Max Extended Length - Build Spec. (in)
2.94
Max Extended Length (in)
2.94
Max Extended Length (mm)
74.68
Max Extended Length (cm)
7.47
Body Length - Build Spec. (in)
1.57
Body Length (in)
1.57
Body Length (mm)
39.88
Body Length (cm)
3.99
Loop Inside Diameter - Build Spec. (in)
0.22
Loop Inside Diameter (in)
0.22
Loop Inside Diameter (mm)
5.46
Loop Inside Diameter (cm)
0.55
Loop Position
Random
Loop Opening - Build Spec. (in)
0.05
Loop Opening (in)
0.05
Loop Opening (mm)
1.24
Loop Opening (cm)
0.12
Max Load (N)
55.58
Inside Diameter - Build Spec (in)
0.22
Model Code
LE

Standard Extension Series (inch)

Selection to Match Your Needs

Lee Spring LE 049CD 07S is a precision extension spring from the Standard Extension Series (inch), engineered for applications requiring reliable quality extension springs. This spring features a 0.313-inch outside diameter (7.95 mm) with 0.215-inch loop inside diameter (5.46 mm) and extends from a free length of 2 inch (50.8 mm) to a maximum extended length of 2.94 inch (74.68 mm). Made from Stainless Steel with a 0.049-inch wire diameter (1.24 mm), the spring delivers a spring rate of 11.66 lb/inch (2.042 N/mm) through its 33.6 total coils with an initial tension of 1.4994 lb (6.67 N). The spring supports a maximum load of 12.495 lb (55.581 N) at full extension with a body length of 1.57 inch (39.88 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

254011
Product Extension OD 0.313 in, Length 2 in, Stainless Steel
Product Extension OD 7.95 mm, Length 50.8 mm, Stainless Steel
Part Number LE 049CD 07S
Series Standard Extension Series (inch)
Outside Diameter (inch) 0.313
Outside Diameter (cm) 0.795
Outside Diameter (mm) 7.95
Wire Diameter (inch) 0.049
Wire Diameter (cm) 0.124
Wire Diameter (mm) 1.24
Max Load (gm) 5667.7
Max Load (lb) 12.495
Max Load (kg) 5.6677
Max Load (N) 55.581
Rate (gm/cm) 2082
Rate (gm/mm) 208.2
Rate (kg/cm) 2.082
Rate (kg/mm) 0.2082
Rate (lb/in) 11.66
Rate (N/cm) 20.42
Rate (N/mm) 2.042
Max Extended Length (cm) 7.468
Max Extended Length (in) 2.94
Max Extended Length (mm) 74.68
Initial Tension (gm) 680.1
Initial Tension (kg): 0.6801
Initial Tension (lb) 1.4994
Initial Tension (N) 6.67
Free Length (cm) 5.08
Free Length (inch) 2
Free Length (mm) 50.8
Material Stainless Steel
Loop Inside Diameter (cm) 0.546
Loop Inside Diameter (in) 0.215
Loop Inside Diameter (mm) 5.46
Ends Standard Loops
Loop Position Random
Direction of Wind Factory Option
Finish Passivate per ASTM A967
0.049 0.313 0.01 2 0.04 33.6 1.4994 0.29988 11.66 1.166 2.94 12.495 0.049 1.57 Random 0.313 0.01 2 0.04 33.6 1.4994 0.29988 11.66 1.166 2.94 12.495
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Quantity Price
1 - 19 $9.210
20 - 49 $5.600
50 - 99 $2.960
100 - 199 $1.870
200 - 299 $1.604
300 - 399 $1.530
400 - 499 $1.463
500 - 599 $1.402
600 - 699 $1.351
700 - 799 $1.306
800 - 899 $1.269
900 - 999 $1.237
1000 $1.218

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