It uses a 0.100" (2.54 mm) square pin grid on both pitch and row spacing — a standard footprint that fits a wide range of board layouts and mates with matching 0.100" pitch IDC receptacles or discrete crimp housings.
The overall contact length of 0.990" (25.15 mm) breaks down as 0.770" mating length and 0.120" solder post below the insulator.
