2N1358 germamiun PNP transistor in a TO-36 variant can * made by Cosem France. Vcb: max 80V Veb max: 60V Icv max: 15A * note: centre can stud : M5 x 0.8 , this is marked in triplicate on the box, so this would indicate a change from imperial to metric around the time of manufacture. Status: NOS ( New Old Stock) circa: no date codes presume 1970's