This is a BNC connector accessory, a resistor-terminated plug rated at 1/2 watt with an attached chain. It has a resistance value of 51 Ohms, suitable for RF signal applications requiring impedance matching or termination.
You can click on the BUY or RFQ button to purchase 0003565051 from an authorized Amphenol RF distributor.
You can download the 0003565051 datasheet or visit the Amphenol RF website for support.
Amphenol RF