Part Number: 12SA1797 (Ne) Part Number: 12SA7 (No description) Part Number: 12SA7G (Rca) Part Number: 12SA7GT (Tube) Part Number: 12SA7GTG (Sears - 12sa7gt/g - tube, electr) Part Number: 12SA7GTY (Component) Part Number: 12SA7GTYJAN (Ne) Part Number: 12SA7JAN (Ne) Part Number: 12SA7M (Ne) Part Number: 12SA7MET (Ne) Part Number: 12SA7Y (Electron tube) Part Number: 12SAD400EA (No description) Part Number: 12SAD402EA (D.c. solenoid(24)volt) Part Number: 12S-A-EB (E/b)