OAK INDUSTRIES INC <OAK> 4TH QTR LOSS Oper shr loss five cts vs loss 50 cts Oper net loss 3,862,000 vs loss 15,900,000 Sales 42.6 mln vs 38.8 mln Avg shr 72.1 mln vs 31.7 mln Year Oper shr loss 51 cts vs loss 2.10 dlrs Oper net loss 30.3 mln vs 51.3 mln Sales 151.7 mln vs 153.1 mln Avg shrs 59.4 mln vs 24.4 mln Backlog 57.1 mln vs 52.9 mln NOTES: Operating losses exclude profits from discontinued operationgs of 1,000,000 dlrs, or one cent a share, vs 2,493,000 dlrs, or eight cts a share, in quarter and 65.0 mln dlrs, or 1.09 dlrs a share, vs 13.7 mln dlrs, or 56 cts a share, in year 1986 year operating loss also excludes extraordinary gain of of 25.6 mln dlrs, or 43 cts a share Backlog, which includes only orders to be shipped within 12 mths, was 63.0 mln dlrs on January 31. Orders to be shipped beyond 12 mths were 27.6 mln dlrs vs 17.1 mln dlrs at December 31