Contact system and plating
The 66429-169 is the 26-position dual-row member of Amphenol ICC (FCI)'s Quickie header line, shrouded on all four walls with latch lock/eject hooks and a keying slot.
Board fit and mounting
A mounting flange provides additional mechanical retention against cable strain, and the 0.681" (17.30mm) insulation height clears standard board-edge components.