The Calmark Birtcher part CCKJ01-AD-3 is a high-quality VITA 1.6 conduction cooled keying component, designed with a fixed connector for a secure and reliable connection. It features an AD key pair configuration, ensuring compatibility with AD key pair mating connectors. With a metric 2.5mm x .45 locking helicoil thread, this connector provides a robust and dependable locking mechanism, preventing accidental disconnections. The connector is chemically processed with a gold chem film finish, offering superior conductivity and corrosion resistance. This CCKJ01-AD-3 part by Calmark Birtcher is an excellent choice for applications that require a durable and efficient keying solution.