Part Number: 28G7260 (500mw zener diode axial leads do)Part Number: 344-0323-008 (500mw zener diode axial leads do)Part Number: 3718364-226 (500mw zener diode axial leads do)Part Number: 4068566-242 (500mw zener diode axial leads do)Part Number: 43-0000635 (500mw zener diode axial leads do)Part Number: 80-0000153 (500mw zener diode axial leads do)Part Number: 80-0000154 (500mw zener diode axial leads do)