Oppegard - David A., 36, of Lincoln, died Monday, May 21, 1990.  Disabled Army veteran.  Member, Our Saviors Lutheran Church.  Survivors: parents, Warren and Carol Oppegard, Lincoln; brother, Dan, Lincoln, brothers, sisters-in-law, Mark and Sue, Jim and Patty, all Lincoln; Paul and Sharon, Overland Park, Kansas; sisters, brother in law, Laura and Dennis Tegtmeir, Nancy and Brent Keller, both Lincoln; nieces; nephews; aunts, uncles.