LOS ANGELES—Two San Fernando Valley men face federal prison terms July 12 for participating in a document-trafficking ring that created and sold counterfeit United States passport cards, Social Security cards, driver’s licenses and other documents. Carlos A. Hernandez, 44, of Granada Hills, pleaded guilty in February to one federal count each of conspiracy and being a felon in possession of firearms, and Miguel J. Guerrero, 23, of Van Nuys, pleaded to one count each of conspiracy and producing false identification documents, according to the U.S. Attorney’s Office. The government is asking the judge to sentence Hernandez to two-and-a-half years behind bars and Guerrero to two years. A third defendant, Nestor Perez, 32, of Van Nuys, also pleaded guilty to two federal charges, and is scheduled for sentencing on July 19 in Los Angeles federal court. The three men admitted their roles in the five-year scheme in which they worked to …