Extension Spring: OD 0.5 in, FL 1.375 in, Music WireStandard Extension Series (inch)Selection to Match Your Needs Lee Spring LE 049E 1A M is a precision extension spring from the Standard Extension Series (inch), engineered for applications requiring reliable quality extension springs. This spring features a 0.5-inch outside diameter (12.7 mm) with 0.402-inch loop inside diameter (10.21 mm) and extends from a free length of 1.375 inch (34.93 mm) to a maximum extended length of 2.406 inch (61.11 mm). Made from Music Wire with a 0.049-inch wire diameter (1.24 mm), the spring delivers a spring rate of 8.85 lb/inch (1.55 N/mm) through its 10.7 total coils with an initial tension of 0.88 lb (3.914 N). The spring supports a maximum load of 10 lb (44.482 N) at full extension with a body length of 0.571 inch (14.5 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 255021
Product
Extension OD 0.5 in, Length 1.375 in, Music Wire
Product
Extension OD 12.7 mm, Length 34.93 mm, Music Wire
Part Number
LE 049E 1A M
Series
Standard Extension Series (inch)
Outside Diameter (inch)
0.5
Outside Diameter (cm)
1.27
Outside Diameter (mm)
12.7
Wire Diameter (inch)
0.049
Wire Diameter (cm)
0.124
Wire Diameter (mm)
1.24
Max Load (gm)
4536
Max Load (lb)
10
Max Load (kg)
4.536
Max Load (N)
44.482
Rate (gm/cm) 1580
Rate (gm/mm) 158
Rate (kg/cm) 1.58
Rate (kg/mm) 0.158
Rate (lb/in) 8.85
Rate (N/cm) 15.5
Rate (N/mm) 1.55
Max Extended Length (cm) 6.111
Max Extended Length (in) 2.406
Max Extended Length (mm)
61.11
Initial Tension (gm)
399.2
Initial Tension (kg):
0.3992
Initial Tension (lb)
0.88
Initial Tension (N)
3.914
Free Length (cm)
3.493
Free Length (inch) 1.375
Free Length (mm) 34.93
Material Music Wire
Loop Inside Diameter (cm) 1.021
Loop Inside Diameter (in) 0.402
Loop Inside Diameter (mm) 10.21
Ends Standard Loops
Loop Position Random
Direction of Wind Factory Option
Finish Zinc Plate and Bake per ASTM B633
0.049
0.5
0.01
1.375
0.035
10.7
0.88
0.176
8.85
0.885
2.406
10
0.049
0.571
Random
0.5
0.01
1.375
0.035
10.7
0.88
0.176
8.85
0.885
2.406
10
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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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