166-31504 PCS25-SMC-M25-NPB/PA6/PS-SR
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53109230-166-31504 PCS25-SMC-M25-NPB/PA6/PS-SR
HellermannTyton Swivel, Conduit Fitting, 25mm Nominal Size, M25, Brass, PA 6, Silver
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.