OAKLAND -- Jack McMahon, 60, who spent 36 years in the National Basketball Association as a player, coach and administrator, died June 11 in Chicago, where he was attending an NBA pre-draft camp. The cause of death was not reported. At the time of his death, Mr. McMahon was an assistant coach with the Golden State Warriors. He also was the team's director of player personnel. A native of New York City, Mr. McMahon played college ball at St. John's University. As captain in his senior year, 1952, he led the Redmen to a 25-6 record and a berth in the NCAA finals, in which the team lost to the University of Kansas. He played eight years in the NBA, with the Rochester Royals from 1952 to 1955 and with the St. Louis Hawks from 1955 to 1960. He was a starting guard on the Hawks' 1958 championship team. As head coach of the expansion Chicago Zephyrs in 1962, he gave Don Nelson, now the Warriors coach, his first chance to play after Nelson joined the league as a third-round pick out of the University of Iowa. Mr. McMahon became head coach of the Cincinnati Royals in 1963, compiling a four-season record of 187-134 and making the playoffs each year. In 1967, he was named the first head coach and general manager of the San Diego Rockets. He left midway through his third season with a 61-129 record. He was head coach of a Pittsburgh team in the American Basketball Association from 1970 to 1972, then joined the Philadelphia 76ers as director of player personnel and assistant coach. He stayed there until joining the Warriors in 1986. Survivors include his wife, Kay, of San Leandro, Calif., and three children.