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Specifications

 

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Imperial/Inches Metric
Physical Dimension

mm cm

Load

N kg gm

 
 

LEM120BC 01 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
10.000
Published Stock Code
LEM120BC01S
Product Type
Extension Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
15.91
Rate (kg/cm)
16.22
Rate (lb/in)
90.85
Rate (gm/mm)
1622.40
Weight per Item (lb)
0.00
Material Specification
ASTM A313
Free Length (cm)
1.900
Free Length (inch)
0.748
Free Length (mm)
19.000
Free Length - Build Spec (in)
0.75
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)
0.36
Inside Diameter (in)
0.14
Inside Diameter (mm)
3.61
Outside Diameter (cm)
0.599
Outside Diameter (in)
0.24
Outside Diameter (mm)
5.99
Outside Diameter - Build Spec (in)
0.24
Outside Diameter Tolerance (cm)
0.02
Outside Diameter Tolerance (in)
0.01
Outside Diameter Tolerance (mm)
0.20
Outside Diameter Tolerance - Build Spec (in)
0.01
Rate (gm/cm)
16224.00
Rate (kg/mm)
1.62
Rate (N/cm)
159.11
Rate - Build Spec (lb/in)
90.85
Rate Tolerance (gm/cm)
1622.40
Rate Tolerance (gm/mm)
162.24
Rate Tolerance (kg/cm)
1.62
Rate Tolerance (kg/mm)
0.16
Rate Tolerance (lb/in)
9.09
Rate Tolerance (N/cm)
15.91
Rate Tolerance (N/mm)
1.59
Rate Tolerance - Build Spec (lb/in)
9.09
Total Coils - Build Spec
10.00
Wire Diameter (cm)
0.12
Wire Diameter (inch)
0.05
Wire Diameter (mm)
1.19
Wire Diameter - Build Spec (in)
0.05
Material Short Description
SS
Product Series
Standard Extension Series (metric)
Inside Diameter Tolerance (cm)
Reference
Inside Diameter Tolerance (in)
Reference
Inside Diameter Tolerance (mm)
Reference
Initial Tension - Build Spec. (lb)
2.37
Initial Tension (lb)
2.37
Initial Tension (N)
10.52
Initial Tension (kg)
1.07
Initial Tension (gm)
1072.80
Initial Tension Tolerance - Build Spec. (lb)
0.47
Initial Tension Tolerance (lb)
0.47
Initial Tension Tolerance (N)
2.10
Initial Tension Tolerance (kg)
0.21
Initial Tension Tolerance (gm)
214.55
Inside Diameter Tolerance - Build Spec (in)
REF
Max Load - Build Spec. (lb)
15.97
Max Load (lb)
15.97
Max Load (kg)
7.24
Max Load (gm)
7244.00
Max Extended Length - Build Spec. (in)
0.90
Max Extended Length (in)
0.90
Max Extended Length (mm)
22.81
Max Extended Length (cm)
2.28
Body Length - Build Spec. (in)
0.52
Body Length (in)
0.52
Body Length (mm)
13.13
Body Length (cm)
1.31
Loop Inside Diameter - Build Spec. (in)
0.14
Loop Inside Diameter (in)
0.14
Loop Inside Diameter (mm)
3.61
Loop Inside Diameter (cm)
0.36
Loop Position
Inline
Loop Opening - Build Spec. (in)
0.05
Loop Opening (in)
0.05
Loop Opening (mm)
1.19
Loop Opening (cm)
0.12
Max Load (N)
71.04
Inside Diameter - Build Spec (in)
0.14
Model Code
LEM

Standard Extension Series (metric)

Selection to Match Your Needs

Lee Spring LEM120BC 01 S is a precision extension spring from the Standard Extension Series (metric) series, engineered for applications requiring reliable quality extension springs. This spring features a 5.99-mm outside diameter (0.236 inch) with 3.61-mm loop inside diameter (0.142 inch) and extends from a free length of 19 mm (0.748 inch) to a maximum extended length of 22.81 mm (0.898 inch). Made from Stainless Steel with a 1.19-mm wire diameter (0.047 inch), the spring delivers a spring rate of 15.911 N/mm (90.85 lb/inch) through its 10 total coils with an initial tension of 10.52 N (2.365 lb) for predictable extension behavior. The spring supports a maximum load of 71.038 N (15.97 lb) at full extension with a body length of 13.13 mm (0.517 inch). The spring features Inline 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 (metric) 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

271851
Product Extension OD 0.236 in, Length 0.748 in, Stainless Steel
Product Extension OD 5.99 mm, Length 19 mm, Stainless Steel
Part Number LEM120BC 01 S
Series Standard Extension Series (metric)
Outside Diameter (inch) 0.236
Outside Diameter (cm) 0.599
Outside Diameter (mm) 5.99
Wire Diameter (inch) 0.047
Wire Diameter (cm) 0.119
Wire Diameter (mm) 1.19
Max Load (gm) 7244
Max Load (lb) 15.97
Max Load (kg) 7.244
Max Load (N) 71.038
Rate (gm/cm) 16224
Rate (gm/mm) 1622.4
Rate (kg/cm) 16.224
Rate (kg/mm) 1.6224
Rate (lb/in) 90.85
Rate (N/cm) 159.11
Rate (N/mm) 15.911
Max Extended Length (cm) 2.281
Max Extended Length (in) 0.898
Max Extended Length (mm) 22.81
Initial Tension (gm) 1072.8
Initial Tension (kg) 1.0728
Initial Tension (lb) 2.365
Initial Tension (N) 10.52
Free Length (cm) 1.9
Free Length (inch) 0.748
Free Length (mm) 19
Material Stainless Steel
Loop Inside Diameter (cm) 0.361
Loop Inside Diameter (in) 0.142
Loop Inside Diameter (mm) 3.61
Ends Standard Loops
Loop Position Inline
Direction of Wind Factory Option
Finish Passivate per ASTM A967
0.047 0.236 0.008 0.748 0.02 10 2.365 0.473 90.85 9.085 0.898 15.97 0.047 0.517 Inline 0.236 0.008 0.748 0.02 10 2.365 0.473 90.85 9.085 0.898 15.97
Default View
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Top view
Quantity Price
1 - 19 $8.870
20 - 49 $5.370
50 - 99 $2.840
100 - 199 $1.770
200 - 299 $1.623
300 - 399 $1.593
400 - 499 $1.566
500 - 599 $1.545
600 - 699 $1.526
700 - 799 $1.507
800 - 899 $1.492
900 - 999 $1.479
1000 $1.471

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