The CCKJ01-AC is a fixed connector keying component designed for conduction-cooled military and ruggedized systems according to the VITA 1.6 standard. This part is a fixed connector ('J' type) for connector end '01', featuring the 'AC' keying configuration. The code key bracket is made from Aluminum Alloy 6061-T6 with a gold or clear chem film finish, and the pins are austenitic stainless steel. This component provides a reliable keying method for plug-in modules in applications without front panels, preventing incorrect board insertion.