BMA Connectors equivalant to H&S type 13_BMA-50-0-1/199 panel mounted square flange plug and 23_BMA-50-0-1/199 panel mounted square flange jack Email: RF Industries Australia Unit B,3 Lenton Place, North Rocks, NSW, Australia Contact Person: Mr. Derek Ainscough Telephone: 61-2-96300655 Fax: 61-2-96300844