FUEL AND WALTER PUMPMarker Beacon Antenna | For IFR4000, 75MHzThe 9140 is a 75MHz black marker beacon antenna compatible with the IFR4000 Flight Line test set.75MHzCompatible with the IFR4000Product CodesMfr Part No:9140OLD MFG #:1201-5601-000SAP:9140ECCN:7B994SCHEDULE B CODE:8526.10.6000..