Extension Spring: OD 0.375 in, FL 4.5 in, Music WireStandard Extension Series (inch)Selection to Match Your Needs Lee Spring LE 049D 14 M is a precision extension spring from the Standard Extension Series (inch), engineered for applications requiring reliable quality extension springs. This spring features a 0.375-inch outside diameter (9.53 mm) with 0.277-inch loop inside diameter (7.04 mm) and extends from a free length of 4.5 inch (114.3 mm) to a maximum extended length of 8.09 inch (205.49 mm). Made from Music Wire with a 0.049-inch wire diameter (1.24 mm), the spring delivers a spring rate of 3.2 lb/inch (0.56 N/mm) through its 78 total coils with an initial tension of 1.5 lb (6.672 N). The spring supports a maximum load of 13 lb (57.827 N) at full extension with a body length of 3.946 inch (100.23 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 254541
Product
Extension OD 0.375 in, Length 4.5 in, Music Wire
Product
Extension OD 9.53 mm, Length 114.3 mm, Music Wire
Part Number
LE 049D 14 M
Series
Standard Extension Series (inch)
Outside Diameter (inch)
0.375
Outside Diameter (cm)
0.953
Outside Diameter (mm)
9.53
Wire Diameter (inch)
0.049
Wire Diameter (cm)
0.124
Wire Diameter (mm)
1.24
Max Load (gm)
5896.8
Max Load (lb)
13
Max Load (kg)
5.8968
Max Load (N)
57.827
Rate (gm/cm) 571
Rate (gm/mm) 57.1
Rate (kg/cm) 0.571
Rate (kg/mm) 0.0571
Rate (lb/in) 3.2
Rate (N/cm) 5.6
Rate (N/mm) 0.56
Max Extended Length (cm) 20.549
Max Extended Length (in) 8.09
Max Extended Length (mm)
205.49
Initial Tension (gm)
680.4
Initial Tension (kg):
0.6804
Initial Tension (lb)
1.5
Initial Tension (N)
6.672
Free Length (cm)
11.43
Free Length (inch) 4.5
Free Length (mm) 114.3
Material Music Wire
Loop Inside Diameter (cm) 0.704
Loop Inside Diameter (in) 0.277
Loop Inside Diameter (mm) 7.04
Ends Standard Loops
Loop Position Random
Direction of Wind Factory Option
Finish Zinc Plate and Bake per ASTM B633
0.049
0.375
0.01
4.5
0.075
78
1.5
0.3
3.2
0.32
8.09
13
0.049
3.946
Random
0.375
0.01
4.5
0.075
78
1.5
0.3
3.2
0.32
8.09
13
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| Quantity | Price |
|---|---|
| 1 - 19 | $10.590 |
| 20 - 49 | $6.460 |
| 50 - 99 | $3.530 |
| 100 - 199 | $2.250 |
| 200 - 299 | $1.923 |
| 300 - 399 | $1.811 |
| 400 - 499 | $1.714 |
| 500 - 599 | $1.626 |
| 600 - 699 | $1.550 |
| 700 - 799 | $1.481 |
| 800 - 899 | $1.427 |
| 900 - 999 | $1.383 |
| 1000 | $1.351 |
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