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All Categories > PEM® Brand Fasteners for Metal Sheets and Panels > Captive Panel Screws and Hardware > Heat Sink Mounting System - Types HSCB™, HSR™, HSL™ > HSL™ Spring > Part # HSL-574-35  
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Part # HSL-574-35, HSL™ Spring


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.




 Specifications   

Thread Size Fit
#4-40
M3

Inside Diameter Code
574

Load Code
35

Minimum Inside Dia.

 View
.226 in
5.74 mm

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®)


 DOWNLOADS 

Heat Sink Mounting System
(PDF, 423KB)


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