The D38999/46WC4SNLC is a series III connector from TE Connectivity. It has a size 4 shell, making it suitable for applications with higher density requirements. The connector is available in the military series III design, which meets the harsh environmental requirements associated with defense applications. This series features contacts in rear-release cavities, provided through a high-strength aluminum alloy shell, ensuring superior durability and surface plating longevity. It features a snap-together coupling system, allowing for rapid installation and removal of connections. Additionally, its snap-fit aluminum-alloy shell cover offers secure shielding, vibration resistance, and EMC protection.