Jennings UCSL-750-5S glass vacuum variable capacitor
Rated Capacitance 5-750 pF
Peak Voltage 5 KV
Current Amps (RMS) Maximum 42 Amps
Shaft Diameter 1/2 inch shaft
Turns for Full Travel Max 26
Important Dimensions
Max Length 7.75 in / 196.85 mm (including shaft)
Max Diameter 3.06 in / 77.80 mm
Weight 30.30 oz / 858.99 g
Found in a sealed bag (see pictures) Removed for inspection and pictures only. From estate of many good used pulls as well as brand new variable vacuum capacitors.