This NEMA USN 14-50 adapter is a crucial component for your Tesla Gen 1 charging system. It allows you to connect your car to a reliable and powerful charging source without any hiccups. The adapter is designed to work with 240V and 40A UMC charging plugs, making it a versatile and practical choice for any Tesla owner.The adapter is made by Tesla and bears the manufacturer part number 185787869695. It is compatible with the Model X S and other electric, hybrid, and PHEV specific parts. This item falls under the charging components category and is a must-have for any car owner looking to ensure their charging system is in top-notch.