Extension Spring: OD 0.42 in, FL 1.375 in, Music WireStandard Extension Series (inch)Selection to Match Your Needs Lee Spring LE 055DD 04M 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 1.375 inch (34.93 mm) to a maximum extended length of 2 inch (50.8 mm). Made from Music Wire with a 0.055-inch wire diameter (1.4 mm), the spring delivers a spring rate of 23.5 lb/inch (4.116 N/mm) through its 12 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 0.755 inch (19.18 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 256521
Product
Extension OD 0.42 in, Length 1.375 in, Music Wire
Product
Extension OD 10.67 mm, Length 34.93 mm, Music Wire
Part Number
LE 055DD 04M
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) 4197
Rate (gm/mm) 419.7
Rate (kg/cm) 4.197
Rate (kg/mm) 0.4197
Rate (lb/in) 23.5
Rate (N/cm) 41.16
Rate (N/mm) 4.116
Max Extended Length (cm) 5.08
Max Extended Length (in) 2
Max Extended Length (mm)
50.8
Initial Tension (gm)
635
Initial Tension (kg):
0.635
Initial Tension (lb)
1.4
Initial Tension (N)
6.228
Free Length (cm)
3.493
Free Length (inch) 1.375
Free Length (mm) 34.93
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
1.375
0.04
12
1.4
0.28
23.5
2.35
2
16.11
0.055
0.755
Random
0.42
0.01
1.375
0.04
12
1.4
0.28
23.5
2.35
2
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 | $1.569 |
| 300 - 399 | $1.479 |
| 400 - 499 | $1.401 |
| 500 - 599 | $1.330 |
| 600 - 699 | $1.267 |
| 700 - 799 | $1.214 |
| 800 - 899 | $1.171 |
| 900 - 999 | $1.134 |
| 1000 | $1.106 |
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