Navy Rear Adm. James R. Lewis, 53, a submariner who was deputy chief of Naval Material for Acquisition, died March 10 at his home in Alexandria after a heart attack.

Adm. Lewis was a native of Indiana and a graduate of the University of New Mexico. He received his Navy commission in 1951 and graduated from the Navy's submarine school.

He served aboard destroyers and submarines, reporting for duty as executive officer of the nuclear submarine Daniel Boone when it was commissioned in 1963. He later commanded nuclear subs. In 1969, he went to Norfolk to serve on the staff of the commander of Atlantic Fleet's submarine force. He was assistant chief of staff for Polaris/Poseidon weapons systems there before transferring to the Pentagon in 1972.

Between 1974 and 1979, he commanded a submarine squadron based at Holy Loch, Scotland, and then a submarine group at Groton, Conn. He then returned to this area where he has served since July 1979.

His decorations included the Legion of Merit.

Survivors include his wife, the former Patricia Ann Lee, of Alexandria, and three daughters, Linda LaCoursiere of Chesterfield, N.H., Donna Lewis of Silver Spring, and Terry Lewis of Alexandria; his mother, Emma Matilda Lewis of San Diego, and a sister, Joan Price of Descanso, Calif.