RF connector dust cap SC2067 from Fairview Microwave is constructed with a TNC connection and has a male gender. This TNC male dust cap is designed as non-shorting and the body is nickel plated to ensure its durability. The non-shorting TNC connector cap from Fairview Microwave is designed with a 2.76 inch chain and is in-stock for same day shipment.RF dust caps are essential for precision connectors to protect them from dust, corrosion and other potential damage especially when using on test and measurement equipment. Some RF connector cap models are designed with a chain to prevent loss or misplacement. Internal shorting connector cap models are available and help to protect equipment from a spike in current commonly caused by ESD (Electro Static Discharge).