FDF21-M20B
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54838144-FDF21-M20B
Flexicon Fixed Fitting, Conduit Fitting, 21mm Nominal Size, M20, Nylon 66, Black
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.