Allan Hathaway Graeff, 65, who had worked in sales in Washington since the mid-1930s and was active in community organizations in Kensington, died of cancer Saturday at the Veterans Administration Hospital in Washington.

Mr. Graeff was vice president and sales manager of the National Brick and Supply Company from 1958 to 1964 and then a manufacturers representative for building products firms before beginning a career in real estate in 1971.

He was a sales agent with Rozier Realty in Kensington for two years, then for Shannon & Luchs in Kensington and Bethesda from 1973 to 1980, and had worked for Town & Country Properties in Chevy Chase since December.

Mr. Graeff was a charter member and past president of the Cedarbrook Club, a recreation organization, in Kensington, and had served as chairman of Chevy Chase View, a neighborhood organization, in the mid-1970s. He was a past vice president of the Kensington-Wheaton Rotary Club.

He was a trustee and elder of Warner Memorial Presbyterian Church in Kensington. He had been a volunteer reader with the Washington Ear Corporation, an organization that aides the blind.

Mr. Graeff was a native of Massachusetts and a resident of Kensington. When he came to Washington in the mid-1930s, he was a salesman with the United Clay Products Company. He served in the Navy in the Philippines during World War II.

Survivors include his wife, Elizabeth W., of Kensington; two sons, Allan H. Jr., of Port au Prince, Haiti, and Edward H., of Columbia, and one grandchild.