When working with the Lumex Opto LED SSF-LXH25780GD, the plastic guide pin dimension shown in the drawing is 2.54mm.
According to the manufacturer, the recommended PCB hole size for this pin is between 2.75mm and 2.85mm. Using this size helps prevent damage and ensures a better fit on your PCB.
Applicable Part Numbers
SSF-LXH25780GD
67-1270-ND
LU20235
67-1270-NDR
67-1270
SSFLXH25780GD