The TE Connectivity / AMP Brand part 3-644893-4 is a high quality CST-100 shrouded header assembly that is designed for a friction lock connection. It features a straight post design and is available in a tin or tin lead plated finish. This header assembly provides a secure and reliable electrical connection, making it perfect for a wide range of applications. Trust the 3-644893-4 to deliver excellent performance and durability for all your connectivity needs.