Comparison : Item # K42X-A26S/S-A4NR, K42X Series 0.750 Inch (in) Center to Center Distance Dual Port Stacked D-Subminiature Connector
Item # K42X-B25S/E15S-A4NR, K42X Series 25 Top/Bottom Left/Bottom Right Shell Size and 0.750 Inch (in) Center to Center Distance Dual Port Stacked D-Subminiature Connector
Item # K42X-B25S/S-A4NJ, K42X Series 25 Top/Bottom Left/Bottom Right Shell Size and 0.750 Inch (in) Center to Center Distance Dual Port D-Subminiature Connector
Item # K42X-E9P/P-A4N, K42X Series 9 Top/Bottom Left/Bottom Right Shell Size and 0.750 Inch (in) Center to Center Distance Dual Port D-Subminiature Connector