Amphenol Communications Solutions L77SD 25 Way Panel Mount D-sub Connector Socket, 2.77mm Pitch, with 4-40 UNC,

Straight D-sub connectors for printed circuits.
Mounting system using cylindrical harpoons with threaded spacers, also used as earthing point for cards of 1.6 → 3.2 mm thickness.
Better hold on the printed circuit; can be used with cards of varying thicknesses (harpoon does not come through at the back).
Tin-coated metal enclosures (with earth blades on male connectors).
Rolled cut-out contacts, with selective gold plating.
Flush rivet nut 4-40.
Pitch between rows: 2.84 mm.

Value-Added D Type Connectors

Solder bucket connection
Suitable for military, industrial or commercial applications and computer interfacing etc.
For IDC D types, see the 'Speedbloc' range