The 966573-2: It mates with matching AMPMODU receptacles or IDC sockets for board-to-board or cable-to-board connections. The green glass-filled PBT housing carries a push-pull fastening type — no locking latch, so it's best suited for stationary or low-vibration applications where the connector won't be accidentally dislodged.
There is no direct pin-compatible replacement listed from the original manufacturer.
The insulation height is 0.110" (2.79mm) above the board surface. These dimensions define the stack-up and clearance needed in your enclosure. For a 2-position header, the press-fit option provides a gas-tight connection without solder, useful in prototyping or when rework is anticipated.