Philmore 258B, 2.5x5.5mm DC Inline Power Jack
Inline DC Barrel Power Jack. These jacks may also be called DC Coaxial Jacks. This is a "Female" DC Barrel, suitable for building extension cables, etc.
Jack Size: 2.5mm ("Type N")
Center Pin: 2.5mm
Inner Diameter: 5.5mm
Solder Terminals for 18-24awg wire
Molded Strain Relief fits cable up to 0.17" diameter
This jack mates with the following plug: 2.5mm DC Plug PHI-259B Overall Dimensions: 1.62" Long x 0.41" Wide QTY: 1 Jack. Includes mounting nut.