An air transfer assembly for a gas turbine engine is provided. The assembly transfers temperature control air (21) from an annular plenum (20) to an annular manifold (22) through an air transfer tube (15) interposed therebetween. The air transfer tube (15) prevents temperature control air leakage even though it is permitted to slide between limits set by an air transfer bushing assembly (10) and a manifold cup (30) formed in the annular manifold (22). The air transfer bushing (10) is removable and is installed in an aperature in an outer support. The manifold cup (30) is formed in the annular manifold.