P3785
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31666966-P3785
D-Sub Tools & Hardware SCREW, 4-40X 500 STL FH NI
given in nominal sizes, not in the actual measurement.
IP (or "Ingress Protection") ratings are defined in international standard EN 6529 (British BS EN 6529:1992, European IEC 659:1989). They are?used to define levels of sealing effectiveness of electrical enclosures against intrusion from foreign bodies?(tools, dirt etc) and moisture.