TRANSDUCER OF ANOTHER TYPE; SINGLE CRYSTAL ULTRASONIC TRANSDUCER FOR ULTRASONIC WAVES GENERATION, LONGITUDINAL, 5.0 MHZ FREQUENCY, WITH 1/4” (6.3 MM) DIAMETER PIEZO-COMPOSITE CRYSTAL AND CONNECTOR, MICRODOT TYPE LOCATED ON TOP REAR TRAN SDUCER ULTRASONIC. THIS ULTRASONIC TRANSDUCER HAS EXTERNAL THREAD FOR FIXING ANGLE SHOES.; BRAND 1: GENERAL ELECTRIC ; REFERENCE 1: 113-224-590; MODEL 1: MSW-QC 5 X 0.25