12904+
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38154100-12904+
Fluorocarbon Elastomer O-Ring, 9.25mm Bore, 12.7mm O.D, -20 - +200 deg C
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.