One RAYTHEON 0C2 Tube NOS NIB Voltage Regulator TV-7 Results
One Excellent RAYTHEON 0C2 Tube. Tube Lettering Says: "10499" > Equivalent to 0C2 Tube. Test #2: Test Readings:79. The HICKOK Minimum for a 0C2 Tube is : 40. "280" RAYTHEON Mfg. Tube Tested on a Hickok TV-7B/U Tube Tester.