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Specifications

 

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Physical Dimension

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LE 055D 12 S316

Cost
$0.00
$0.00
Price
$0.00
Weight
0.05 lb.
Direction of Wind
Factory Option
Ends
Standard Loops
Finish
Ultrasonically Passivate with Citric Acid for 10 mins At 131 Deg F
Material
Stainless Steel Type 316
Total Coils
71.100
Published Stock Code
LE055D12S316
Product Type
Extension Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
0.86
Rate (kg/cm)
0.88
Rate (lb/in)
4.91
Rate (gm/mm)
87.70
Weight per Item (lb)
0.05
Material Specification
ASTM A313
Free Length (cm)
11.430
Free Length (inch)
4.500
Free Length (mm)
114.300
Free Length - Build Spec (in)
4.50
Free Length Tolerance (cm)
0.19
Free Length Tolerance (in)
0.08
Free Length Tolerance (mm)
1.91
Free Length Tolerance - Build Spec (in)
0.08
Inside Diameter (cm)
0.67
Inside Diameter (in)
0.27
Inside Diameter (mm)
6.73
Outside Diameter (cm)
0.953
Outside Diameter (in)
0.38
Outside Diameter (mm)
9.53
Outside Diameter - Build Spec (in)
0.38
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)
877.00
Rate (kg/mm)
0.09
Rate (N/cm)
8.60
Rate - Build Spec (lb/in)
4.91
Rate Tolerance (gm/cm)
87.70
Rate Tolerance (gm/mm)
8.77
Rate Tolerance (kg/cm)
0.09
Rate Tolerance (kg/mm)
0.01
Rate Tolerance (lb/in)
0.49
Rate Tolerance (N/cm)
0.86
Rate Tolerance (N/mm)
0.09
Rate Tolerance - Build Spec (lb/in)
0.49
Total Coils - Build Spec
71.09
Wire Diameter (cm)
0.14
Wire Diameter (inch)
0.06
Wire Diameter (mm)
1.40
Wire Diameter - Build Spec (in)
0.06
Material Short Description
SS 316
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)
1.67
Initial Tension (lb)
1.67
Initial Tension (N)
7.41
Initial Tension (kg)
0.76
Initial Tension (gm)
755.70
Initial Tension Tolerance - Build Spec. (lb)
0.33
Initial Tension Tolerance (lb)
0.33
Initial Tension Tolerance (N)
1.48
Initial Tension Tolerance (kg)
0.15
Initial Tension Tolerance (gm)
151.14
Inside Diameter Tolerance - Build Spec (in)
REF
Max Load - Build Spec. (lb)
10.93
Max Load (lb)
10.93
Max Load (kg)
4.96
Max Load (gm)
4959.20
Max Extended Length - Build Spec. (in)
6.39
Max Extended Length (in)
6.39
Max Extended Length (mm)
162.23
Max Extended Length (cm)
16.22
Body Length - Build Spec. (in)
3.97
Body Length (in)
3.97
Body Length (mm)
100.84
Body Length (cm)
10.08
Loop Inside Diameter - Build Spec. (in)
0.27
Loop Inside Diameter (in)
0.27
Loop Inside Diameter (mm)
6.73
Loop Inside Diameter (cm)
0.67
Loop Position
Random
Loop Opening - Build Spec. (in)
0.06
Loop Opening (in)
0.06
Loop Opening (mm)
1.40
Loop Opening (cm)
0.14
Max Load (N)
48.63
Inside Diameter - Build Spec (in)
0.27
Model Code
LE

Extension Spring: OD 0.375 in, FL 4.5 in, Stainless Steel Type 316

Standard Extension Series (inch)

Selection to Match Your Needs

Lee Spring LE 055D 12 S316 is a precision extension spring from the Standard Extension Series (inch), engineered for applications requiring reliable quality extension springs. This spring features a 0.375-inch outside diameter (9.53 mm) with 0.265-inch loop inside diameter (6.73 mm) and extends from a free length of 4.5 inch (114.3 mm) to a maximum extended length of 6.387 inch (162.23 mm). Made from Stainless Steel Type 316 with a 0.055-inch wire diameter (1.4 mm), the spring delivers a spring rate of 4.91 lb/inch (0.86 N/mm) through its 71.1 total coils with an initial tension of 1.666 lb (7.411 N). The spring supports a maximum load of 10.933 lb (48.632 N) at full extension with a body length of 3.97 inch (100.84 mm). The spring features Random loop position and Ultrasonically Passivate with Citric Acid for 10 mins At 131 Deg F 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

256331
Product Extension OD 0.375 in, Length 4.5 in, Stainless Steel Type 316
Product Extension OD 9.53 mm, Length 114.3 mm, Stainless Steel Type 316
Part Number LE 055D 12 S316
Series Standard Extension Series (inch)
Outside Diameter (inch) 0.375
Outside Diameter (cm) 0.953
Outside Diameter (mm) 9.53
Wire Diameter (inch) 0.055
Wire Diameter (cm) 0.14
Wire Diameter (mm) 1.4
Max Load (gm) 4959.2
Max Load (lb) 10.933
Max Load (kg) 4.9592
Max Load (N) 48.632
Rate (gm/cm) 877
Rate (gm/mm) 87.7
Rate (kg/cm) 0.877
Rate (kg/mm) 0.0877
Rate (lb/in) 4.91
Rate (N/cm) 8.6
Rate (N/mm) 0.86
Max Extended Length (cm) 16.223
Max Extended Length (in) 6.387
Max Extended Length (mm) 162.23
Initial Tension (gm) 755.7
Initial Tension (kg): 0.7557
Initial Tension (lb) 1.666
Initial Tension (N) 7.411
Free Length (cm) 11.43
Free Length (inch) 4.5
Free Length (mm) 114.3
Material Stainless Steel Type 316
Loop Inside Diameter (cm) 0.673
Loop Inside Diameter (in) 0.265
Loop Inside Diameter (mm) 6.73
Ends Standard Loops
Loop Position Random
Direction of Wind Factory Option
Finish Ultrasonically Passivate with Citric Acid for 10 mins At 131 Deg F
0.055 0.375 0.01 4.5 0.075 71.1 1.666 0.3332 4.91 0.491 6.387 10.933 0.055 3.97 Random 0.375 0.01 4.5 0.075 71.1 1.666 0.3332 4.91 0.491 6.387 10.933
Default View
Side view
Top view
Quantity Price
1 - 19 $21.020
20 - 49 $13.870
50 - 99 $9.130
100 - 199 $6.590
200 - 299 $6.167
300 - 399 $5.712
400 - 499 $4.991
500 - 599 $4.433
600 - 699 $3.994
700 - 799 $3.641
800 - 899 $3.353
900 - 999 $3.108
1000 $2.902

Why Choose Lee Spring?

FREE Standard Ground Shipping

on Stock Springs in the Continental United States

FREE Plating

on all Music Wire Stock Springs

FREE Grinding

on all Standard Stock Compression Springs

Expert Engineering Assistance

on Stock and Custom Springs

Certificate of Compliance

on all Stock Springs and Custom Springs

Guaranteed RoHS Compliance

on all Stock Springs

Live Customer Service Support

at all Locations

Enhanced CAD Downloads

on Stock Springs Designs

Global Flexibility

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