D38999-Style Series I （KJL） ITT Cannon KJL 38999-Style Series I connectors offer high-density contact arrangements in a light-weight miniature circular connector. ITT Cannon KJL series connectors are an industry standard for military and aerospace applications. The environmentally sealed KJL series features quick-mating， three-point bayonet coupling and operates across a wide temperature range. D38999-Style Series II （KJ） ITT Cannon KJ 38999-Style Series II are a weight-reduced and low profile circular connector ideally suited for avionic applications where space and weight are prime considerations. It offers high-density contact arrangements in a light-weight miniature circular connector. ITT Cannon KJ series connectors feature a quick-mating， threepoint bayonet coupling， are environmentally-sealed and operate across a wide temperature range. ITT Cannon KJ series mil spec connectors were originally designed for military vehicles and are now industry standard aerospace and military connectors. 38999-Style Series III （KJB） The de-facto standard circular connector for use in harsh military and aerospace environments， ITT Cannon‘s KJB 38999-Style Series III Connectors offer highdensity contact arrangements in a light-weight miniature circular connector. ITT Cannon’s KJB series connectors have quick-mating， triple-lead threaded， self-locking coupling， are environmentally-sealed and operate across a wide temperature range. These connectors were originally designed for military vehicles and are now use for multiple applications throughout the Aerospace & Defense Industry. 38999-Style Series III Composite （KJB） A lightweight standard circular connector for use in military and aerospace environments with significant weight savings over aluminium-bodied D38999-Style. High density layouts with up to 128 data connections and power contacts rated up to 23A. Features a triple-start coupling with anti-decoupling ratchet for high vibration applications， Cadmium and Electroless Nickel platings， 100 percent scoop-proof contacts and rated to 1500 mating cycles.