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PEM® Brand Fasteners for Metal Sheets and Panels
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Captive Panel Screws and Hardware
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Heat Sink Mounting System - Types HSCB™, HSR™, HSL™
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HSL™ Spring
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Part # HSL-574-35
Part # HSL-574-35, HSL™ Spring
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HSL springs are engineered to provide a reliable and repeatable spring rate when assembled with mating PEM hardware. The spring rate is critical to the successful assembly of your heat sink.
Clamp load will be determined by the spring rate and deflection that is designed into the joint.
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Specifications
Thread Size Fit
#4-40
M3
Inside Diameter Code
574
Load Code
35
Minimum Inside Dia.
.226
in
5.74
mm
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Load at Working Height ± 10%
7.87
lb
35
N
Working Height Ref.
.270
in
6.86
mm
Spring Rate
74
lb/in
12.96
N/mm
Material
17-7 Stainless Steel
CAD Supplier
PennEngineering® (PEM®)
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Heat Sink Mounting System
(PDF, 423KB)
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