The TE Connectivity 211870-2 is a sealing cover for the CPC (Circular Plastic Connector) Series 1 receptacle, Shell Size 13. It is an accessory — not a connector body — so it does not carry contacts or terminate wires. Its job is to seal the receptacle face when unmated, keeping dust, moisture, and debris out of the contact cavities. The black thermoplastic cap includes an integrated strap with a ring, which tethers it to the cable or panel so it is not lost during field service.
Shell Size and Mating Fit
Shell Size 13 is the dimensional key — this cover fits only CPC Series 1 receptacles of the same shell size. The strap with ring is molded into the cover, not a separate add-on, so the assembly arrives ready to tether. Build-to-print: you need the receptacle body and contacts separately; this is the sealing cap that completes the mated pair when the connector is disconnected.