Peter W. Kuss, 49, an electronics engineer and computer specialist, died at the National Institutes of Health Aug. 14 following an apparent heart attack.

Mr. Kuss was a graduate of the University of Virginia, where he earned a degree in electronics engineering. He also earned a master's degree at Virginia Polytechnic Institute and a certificate in business administration from Johns Hopkins University in Baltimore.

He had been a resident of the Washington area since 1967. He was a project engiener with Systems Development Corp. in McLean at the time of his death. He also had been working on a doctorate in computer science at VPI.

Mr. Kuss was born in Hackensack, N.J., and grew up there and in Teaneck, N.J. He was a consulting engineer in Lincoln, Mass., before moving to this area.

He was a senior member of the Institute of Electrical and Electronic Engineers, and a member of Epsilon Pi Epsilon honor society in computer sciences and of Delta Sigma Pi honor society in business administration.

A life member of the Alumni Association of the University of Virginia, he belonged to the Virginia Student Aid Foundation, which provides scholarships for students of U. Va.

Mr. Kuss is survived by his wife Dorothy Louise, and a daughter, Kathleen Michele, both of the home in Fairfax, and his parents, Roland and Marcia Kuss, of Teaneck.