Lockheed Martin Corp. and three private equity firms are no longer in talks with Computer Sciences Corp. about a potential buyout of the giant California technology firm, a source familiar with the matter said yesterday. But the source added that a deal could be revived at some point.

Talks never reached an advanced stage, foundering in part over what price the suitors would pay for Computer Sciences, which employs 11,000 people in the Washington area and has benefited from increased government spending on information technology services. Talks also broke down over how a deal would be structured.

The three private equity firms involved are Warburg Pincus LLC, Blackstone Group and Texas Pacific Group. The District-based Carlyle Group also has expressed some interest in Computer Sciences.

The source who discussed the talks yesterday spoke on condition of anonymity because of the sensitive nature of the discussions and the possibility that they could still be revived. Other sources familiar with the talks have said in recent days that no progress toward a deal had been made in weeks. Spokesmen for Lockheed and Blackstone declined to comment, and representatives of the other parties in the talks could not be reached.

Bethesda-based Lockheed, seeking to diversify beyond its core business in defense contracting, was interested in Computer Sciences' government contracts, which include information technology consulting and the development of vaccines through a joint venture in Frederick. But sources have said that Lockheed did not want to buy Computer Sciences' commercial units, and Computer Sciences did not want to sell off the company in pieces.

The Wall Street Journal reported yesterday that talks between the parties ceased after Nov. 1, when the newspaper reported that Computer Sciences was insisting on a sale price of $65 a share as the starting point for talks, a significant premium over the El Segundo, Calif., company's current stock price, which closed at $54.85 a share Friday.

Staff writer Renae Merle contributed to this report.