Extension Spring: OD 0.42 in, FL 1.125 in, Music WireStandard Extension Series (inch)Selection to Match Your Needs Lee Spring LE 055DD 02M is a precision extension spring from the Standard Extension Series (inch), engineered for applications requiring reliable quality extension springs. This spring features a 0.42-inch outside diameter (10.67 mm) with 0.31-inch loop inside diameter (7.87 mm) and extends from a free length of 1.125 inch (28.58 mm) to a maximum extended length of 1.504 inch (38.2 mm). Made from Music Wire with a 0.055-inch wire diameter (1.4 mm), the spring delivers a spring rate of 38.8 lb/inch (6.795 N/mm) through its 7.3 total coils with an initial tension of 1.4 lb (6.228 N). The spring supports a maximum load of 16.11 lb (71.661 N) at full extension with a body length of 0.505 inch (12.83 mm). The spring features Random loop position and Zinc Plate and Bake per ASTM B633 finish for optimal performance. Extension Springs: Standard SeriesThe 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:
...and many more applications 256461
Product
Extension OD 0.42 in, Length 1.125 in, Music Wire
Product
Extension OD 10.67 mm, Length 28.58 mm, Music Wire
Part Number
LE 055DD 02M
Series
Standard Extension Series (inch)
Outside Diameter (inch)
0.42
Outside Diameter (cm)
1.067
Outside Diameter (mm)
10.67
Wire Diameter (inch)
0.055
Wire Diameter (cm)
0.14
Wire Diameter (mm)
1.4
Max Load (gm)
7307.5
Max Load (lb)
16.11
Max Load (kg)
7.3075
Max Load (N)
71.661
Rate (gm/cm) 6929
Rate (gm/mm) 692.9
Rate (kg/cm) 6.929
Rate (kg/mm) 0.6929
Rate (lb/in) 38.8
Rate (N/cm) 67.95
Rate (N/mm) 6.795
Max Extended Length (cm) 3.82
Max Extended Length (in) 1.504
Max Extended Length (mm)
38.2
Initial Tension (gm)
635
Initial Tension (kg):
0.635
Initial Tension (lb)
1.4
Initial Tension (N)
6.228
Free Length (cm)
2.858
Free Length (inch) 1.125
Free Length (mm) 28.58
Material Music Wire
Loop Inside Diameter (cm) 0.787
Loop Inside Diameter (in) 0.31
Loop Inside Diameter (mm) 7.87
Ends Standard Loops
Loop Position Random
Direction of Wind Factory Option
Finish Zinc Plate and Bake per ASTM B633
0.055
0.42
0.01
1.125
0.04
7.3
1.4
0.28
38.8
3.88
1.504
16.11
0.055
0.505
Random
0.42
0.01
1.125
0.04
7.3
1.4
0.28
38.8
3.88
1.504
16.11
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| Quantity | Price |
|---|---|
| 1 - 19 | $9.210 |
| 20 - 49 | $5.600 |
| 50 - 99 | $2.960 |
| 100 - 199 | $1.870 |
| 200 - 299 | $1.562 |
| 300 - 399 | $1.469 |
| 400 - 499 | $1.385 |
| 500 - 599 | $1.314 |
| 600 - 699 | $1.246 |
| 700 - 799 | $1.192 |
| 800 - 899 | $1.147 |
| 900 - 999 | $1.110 |
| 1000 | $1.081 |
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