COLVERN, CLR.2519, 10 TURN HELICAL, WIRE WOUND POTENTIOMETERS, CASE SOLDER SEALED, MIL SPEC, EX EQUIPT, 500 OHM, WITH GEARED VERNIER KNOB
COLVERN, CLR.2519, 10 TURN HELICAL, WIRE WOUND POTENTIOMETERS, CASE SOLDER SEALED, MIL SPEC, EX EQUIPT, 500 OHM, WITH GEARED VERNIER KNOB