The RAYCHEM TXR ruggedized backshells and adapters provide reliable and durable protection for your critical electronic connections. Designed specifically for heavy-duty applications, the TXR series offers exceptional resistance to harsh environments, including extreme temperatures, moisture, and vibrations. This particular part, the TXR40AB90-1206BI, is a high-quality backshell and adapter suitable for use with 12-6 size insulated wires. It features a robust construction and easy installation, ensuring a secure and long-lasting connection. Trust the RAYCHEM brand and TE Connectivity for superior quality and performance in ruggedized interconnect solutions.