Extension Spring: OD 0.125 in, FL 1.375 in, Music WireStandard Extension Series (inch)Selection to Match Your Needs Lee Spring LE 020A 04 M is a precision extension spring from the Standard Extension Series (inch), engineered for applications requiring reliable quality extension springs. This spring features a 0.125-inch outside diameter (3.18 mm) with 0.085-inch loop inside diameter (2.16 mm) and extends from a free length of 1.375 inch (34.93 mm) to a maximum extended length of 2.085 inch (52.96 mm). Made from Music Wire with a 0.02-inch wire diameter (0.51 mm), the spring delivers a spring rate of 3.5 lb/inch (0.613 N/mm) through its 59.2 total coils with an initial tension of 0.4 lb (1.779 N). The spring supports a maximum load of 2.9 lb (12.9 N) at full extension with a body length of 1.205 inch (30.61 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 240261
Product
Extension OD 0.125 in, Length 1.375 in, Music Wire
Product
Extension OD 3.18 mm, Length 34.93 mm, Music Wire
Part Number
LE 020A 04 M
Series
Standard Extension Series (inch)
Outside Diameter (inch)
0.125
Outside Diameter (cm)
0.318
Outside Diameter (mm)
3.18
Wire Diameter (inch)
0.02
Wire Diameter (cm)
0.051
Wire Diameter (mm)
0.51
Max Load (gm)
1315.4
Max Load (lb)
2.9
Max Load (kg)
1.3154
Max Load (N)
12.9
Rate (gm/cm) 625
Rate (gm/mm) 62.5
Rate (kg/cm) 0.625
Rate (kg/mm) 0.0625
Rate (lb/in) 3.5
Rate (N/cm) 6.13
Rate (N/mm) 0.613
Max Extended Length (cm) 5.296
Max Extended Length (in) 2.085
Max Extended Length (mm)
52.96
Initial Tension (gm)
181.4
Initial Tension (kg):
0.1814
Initial Tension (lb)
0.4
Initial Tension (N)
1.779
Free Length (cm)
3.493
Free Length (inch) 1.375
Free Length (mm) 34.93
Material Music Wire
Loop Inside Diameter (cm) 0.216
Loop Inside Diameter (in) 0.085
Loop Inside Diameter (mm) 2.16
Ends Standard Loops
Loop Position Random
Direction of Wind Factory Option
Finish Zinc Plate and Bake per ASTM B633
0.02
0.125
0.005
1.375
0.035
59.2
0.4
0.08
3.5
0.35
2.085
2.9
0.02
1.205
Random
0.125
0.005
1.375
0.035
59.2
0.4
0.08
3.5
0.35
2.085
2.9
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| Quantity | Price |
|---|---|
| 1 - 19 | $8.870 |
| 20 - 49 | $5.370 |
| 50 - 99 | $2.840 |
| 100 - 199 | $1.770 |
| 200 - 299 | $1.477 |
| 300 - 399 | $1.385 |
| 400 - 499 | $1.303 |
| 500 - 599 | $1.230 |
| 600 - 699 | $1.166 |
| 700 - 799 | $1.111 |
| 800 - 899 | $1.063 |
| 900 - 999 | $1.028 |
| 1000 | $1.002 |
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