CALIFORNIA WARNING: This product can expose you to chemicals, including lead and DEHP, which are known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information, go to https://www.p65warnings.ca.gov.
Bipolar Junction PNP type, -60 volt, 150 watt TO-3 case transistor used on many pinball and arcade game machine circuit boards.
Cross reference:
2N37912N5876XO-310XO310