A turbine component assembly for a gas turbine engine includes: a first component (16B) having a first coefficient of thermal expansion and including an end face (200); a second component (12) including a mating surface (204) abutting the end face; and a fastener (214) having a second coefficient of thermal expansion different from the first coefficient of thermal expansion, the fastener (214) including a shank (216) engaging the second component and an enlarged head (218) engaging a mounting slot (206) in the first component (16B); wherein the mating surface (204) and the end face (200) shaped to permit relative pivoting movement between the first and second components.