Extension Spring: OD 8.51 mm, FL 289.99 mm, Music WireStandard Extension Series (metric)Selection to Match Your Needs Lee Spring LEM120CE 05 M is a precision extension spring from the Standard Extension Series (metric) series, engineered for applications requiring reliable quality extension springs. This spring features a 8.51-mm outside diameter (0.335 inch) with 6.12-mm loop inside diameter (0.241 inch) and extends from a free length of 289.99 mm (11.417 inch) to a maximum extended length of 515.01 mm (20.276 inch). Made from Music Wire with a 1.19-mm wire diameter (0.047 inch), the spring delivers a spring rate of 0.24 N/mm (1.37 lb/inch) through its 230 total coils with an initial tension of 9.221 N (2.073 lb) for predictable extension behavior. The spring supports a maximum load of 62.809 N (14.12 lb) at full extension with a body length of 275.77 mm (10.857 inch). The spring features Inline 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 (metric) Extension Springs have useful applications in various industries, including:
...and many more applications 271981
Product
Extension OD 0.335 in, Length 11.417 in, Music Wire
Product
Extension OD 8.51 mm, Length 289.99 mm, Music Wire
Part Number
LEM120CE 05 M
Series
Standard Extension Series (metric)
Outside Diameter (inch)
0.335
Outside Diameter (cm)
0.851
Outside Diameter (mm)
8.51
Wire Diameter (inch)
0.047
Wire Diameter (cm)
0.119
Wire Diameter (mm)
1.19
Max Load (gm)
6404.8
Max Load (lb)
14.12
Max Load (kg)
6.4048
Max Load (N)
62.809
Rate (gm/cm) 245
Rate (gm/mm) 24.5
Rate (kg/cm) 0.245
Rate (kg/mm) 0.0245
Rate (lb/in) 1.37
Rate (N/cm) 2.4
Rate (N/mm) 0.24
Max Extended Length (cm) 51.501
Max Extended Length (in) 20.276
Max Extended Length (mm)
515.01
Initial Tension (gm)
940.3
Initial Tension (kg)
0.9403
Initial Tension (lb)
2.073
Initial Tension (N)
9.221
Free Length (cm)
28.999
Free Length (inch) 11.417
Free Length (mm) 289.99
Material Music Wire
Loop Inside Diameter (cm) 0.612
Loop Inside Diameter (in) 0.241
Loop Inside Diameter (mm) 6.12
Ends Standard Loops
Loop Position Inline
Direction of Wind Factory Option
Finish Zinc Plate and Bake per ASTM B633
0.047
0.335
0.01
11.417
0.228
230
2.073
0.415
1.37
0.137
20.276
14.12
0.047
10.857
Inline
0.335
0.01
11.417
0.228
230
2.073
0.415
1.37
0.137
20.276
14.12
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| Quantity | Price |
|---|---|
| 1 - 19 | $19.340 |
| 20 - 49 | $12.590 |
| 50 - 99 | $8.010 |
| 100 - 199 | $5.690 |
| 200 - 299 | $4.469 |
| 300 - 399 | $4.034 |
| 400 - 499 | $3.657 |
| 500 - 599 | $3.328 |
| 600 - 699 | $3.055 |
| 700 - 799 | $2.838 |
| 800 - 899 | $2.675 |
| 900 - 999 | $2.567 |
| 1000 | $2.512 |
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