A California man was sentenced here today for crimes involving more than $2 million in Department of Defense contracts. Timothy M. Kelly, 56, of Palos Verdes Estates, Calif., was sentenced to 30 months in prison for conspiring to commit wire fraud and for money laundering. Kelly served as the office manager for Emerson Company, which was owned by Daniel Emerson Norton, 52, formerly of Arlington, Va. Norton was sentenced on Nov. 18 to 96 months in prison.