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Imperial/Inches Metric
Physical Dimension

mm cm

Load

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LL 038 050 U30G

Cost
$0.00
$0.00
Price
$0.00
Weight
0.00 lb.
Direction of Wind
Left Hand
Ends
Tapered
Finish
Resin Color Green
Material
Ultem
Total Coils
4.200
Product Series
Published Stock Code
LL038050U30G
Product Type
Compression Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
0.85
Rate (kg/cm)
0.86
Rate (lb/in)
4.84
Rate (gm/mm)
86.43
Weight per Item (lb)
0.00
Material Specification
ULTEM (PEI)
Free Length (cm)
1.270
Free Length (inch)
0.500
Free Length (mm)
12.700
Free Length - Build Spec (in)
0.50
Free Length Tolerance (cm)
0.10
Free Length Tolerance (in)
0.04
Free Length Tolerance (mm)
1.02
Free Length Tolerance - Build Spec (in)
0.04
Hole Diameter (cm)
0.95
Hole Diameter (inch)
0.38
Hole Diameter (mm)
9.53
Inside Diameter (cm)
0.47
Inside Diameter (in)
0.19
Inside Diameter (mm)
4.72
Outside Diameter (cm)
0.889
Outside Diameter (in)
0.35
Outside Diameter (mm)
8.89
Outside Diameter - Build Spec (in)
0.35
Rate (gm/cm)
864.30
Rate (kg/mm)
0.09
Rate (N/cm)
8.48
Rate - Build Spec (lb/in)
4.84
Rate Tolerance (gm/cm)
259.30
Rate Tolerance (gm/mm)
25.93
Rate Tolerance (kg/cm)
0.26
Rate Tolerance (kg/mm)
0.03
Rate Tolerance (lb/in)
1.45
Rate Tolerance (N/cm)
2.54
Rate Tolerance (N/mm)
0.25
Rate Tolerance - Build Spec (lb/in)
1.45
Rod Diameter (cm)
0.38
Rod Diameter (inch)
0.15
Rod Diameter (mm)
3.81
Solid Height (cm)
0.32
Solid Height (inch)
0.13
Solid Height (mm)
3.23
Total Coils - Build Spec
4.20
Wire Diameter (cm)
0.08
Wire Diameter (inch)
0.03
Wire Diameter (mm)
0.76
Wire Diameter - Build Spec (in)
0.03
Hole Diameter - Build Spec. (in)
0.38
Rod Diameter - Build Spec. (in)
0.15
Rod Diameter Tolerance - Build Spec. (in)
MIN
Rod Diameter Tolerance (in)
MIN
Rod Diameter Tolerance (mm)
MIN
Rod Diameter Tolerance (cm)
MIN
Solid Height - Build Spec. (in)
0.13
Material Short Description
Ultem
Load at Solid Height (lb)
1.81
Load at Solid Height - Build Spec. (lb)
1.81
Load at Solid Height (N)
8.06
Load at Solid Height (kg)
0.82
Load at Solid Height (gm)
821.47
Active Coils - Build Spec.
2.20
Active Coils
2.20
Active Coils Tolerance - Build Spec.
Reference
Active Coils Tolerance
Reference
Product Series
LeeP™ Plastic Composite Series
Inside Diameter Tolerance (cm)
Reference
Inside Diameter Tolerance (in)
Reference
Inside Diameter Tolerance (mm)
Reference
color
Green
Inside Diameter Tolerance - Build Spec (in)
Reference
Outside Diameter Tolerance (cm)
+/-0.025
Outside Diameter Tolerance (in)
+/-0.01
Outside Diameter Tolerance (mm)
+/-0.25
Outside Diameter Tolerance - Build Spec (in)
+/-0.01
Inside Diameter - Build Spec (in)
0.19
Outside Diameter Lower Tolerance (in)
0.01
Outside Diameter Upper Tolerance (in)
0.01
Outside Diameter Upper Tolerance (mm)
0.25
Outside Diameter Lower Tolerance (mm)
0.25
Model Code
LL

LeeP™ Plastic Composite Series Compression Springs

  • Non-Magnetic Material
  • High Corrosion Resistance
  • High Strength to Weight Ratio

Lee Spring LL 038 050 U30G is a plastic composite compression spring from the LeeP™ Plastic Composite Series series, specifically engineered for unique applications with specialzed characteristic requirements like non-magnetic and high strength to weight ratios. This spring features an 0.35-inch outside diameter (8.89 mm) with a 0.375-inch hole diameter (9.53 mm) and extends to a free length of 0.5 inch (12.7 mm), making it ideal for stamping and die applications. Made from Ultem with a 0.03-inch wire diameter (0.76 mm), the spring delivers a spring rate of 4.84 lb/inch (0.848 N/mm) through its 2.2 active coils out of 4.2 total coils for predictable deflection behavior. The spring compresses to a solid height of 0.127 inch (3.23 mm) while supporting a maximum load of 1.811 lb (8.06 N) at full compression. The spring has Tapered flat type ends.

About the LeeP™ Plastic Composite Spring Series

LeeP™ Plastic Composite Springs are an innovative compression spring designed to have properties unavailable in a metal spring. The LeeP™ Plastic Composite Spring Series offers a wide range of sizes and strength combinations to meet unique application requirements such as high corrosion resistance, excellent strength to weight ratio and designed to perform under load with minimal side thrust.Made of a unique formulation using Ultem® PEI resins, the LeeP™ Series is designed for optimal performance in a wide range of applications.

LeeP™ Plastic Compression Springs offer many advantages including:

  • Unique patented design to maximize spring rates and cycle life, while minimizing solid height (US Patent No. 8,939,438 B2).
  • High strength to weight ratios that optimize performance while reducing mass.
  • Excellent stability of physical and mechanical properties at temperatures up to 340°F (171° C).
  • High corrosion resistance and generally compatible with many chemicals including strong acids, weak bases, aromatics, and ketones.
  • Non-magnetic material does not interfere with imaging and other Ferro-sensitive technologies.
  • Dielectric insulating material suitable for non-conductive applications.
  • Low flammability and toxicity ensuring environmental safety.
  • Recyclable and compliant with most Global regulations including RoHS and REACH.

LeeP™ Plastic Composite Series Compression Springs have useful applications in various industries, including:

  • Medical devices
  • Firearms
  • Pharmaceutical delivery devices
  • Lighting and electrical control
  • Petro-chemical processes
  • Communication devices
  • Aerospace
  • Testing and measurement equipment
  • Marine applications
  • Automotive
  • Locks and security devices
  • Precision Instruments
  • Hardware

...and many more applications

411381
Product Compression OD 0.35 in, Length 0.5 in, Ultem
Product Compression OD 8.89 mm, Length 12.7 mm, Ultem
Part Number LL 038 050 U30G
Series LeeP™ Plastic Composite Series
Outside Diameter (inch) 0.35
Outside Diameter (cm) 0.889
Outside Diameter (mm) 8.89
Hole Diameter (inch) 0.375
Hole Diameter (cm) 0.953
Hole Diameter (mm) 9.53
Rod Diameter (inch) 0.15
Rod Diameter (cm) 0.381
Rod Diameter (mm) 3.81
Free Length (inch) 0.5
Free Length (cm) 1.27
Free Length (mm) 12.7
Rate (gm/mm) 86.43
Rate (kg/cm) 0.864
Rate (kg/mm) 0.0864
Rate (lb/inch) 4.84
Rate (gm/cm) 864.3
Rate (N/cm) 8.48
Rate (N/mm) 0.848
Solid Height (inch) 0.127
Solid Height (cm) 0.323
Solid Height (mm) 3.23
Wire Diameter (inch) 0.03
Wire Diameter (cm) 0.076
Wire Diameter (mm) 0.76
Material Ultem
Load at Solid Height (gm) 821.47
Load at Solid Height (kg) 0.821
Load at Solid Height (lb) 1.811
Load at Solid Height (N) 8.06
Ends Tapered
Active Coils 2.2
Direction of Wind Left Hand
Finish Resin Color Green
Total Coils 4.2
0.03 0.35 0.01 0.01 0.375 0.15 0.5 0.04 4.2 4.84 1.452 0.127 1.811 0.03 0.5 0.35 0.76 8.89 0.25 9.53 3.81 12.7 1.016 0.848 3.23 8.06
Default View
Side view
Top view
Quantity Price
1 - 19 $14.300
20 - 49 $12.010
50 - 99 $10.230
100 - 199 $9.200
200 - 299 $8.289
300 - 399 $7.728
400 - 499 $7.331
500 - 599 $7.020
600 - 699 $6.721
700 - 799 $6.523
800 - 899 $6.352
900 - 999 $6.200
1000 $6.066

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