One embodiment is an axially compliant electrical contactor for interconnecting microelectronic devices, the contactor including: an insulative sleeve having a hole therethrough; and a metal tube having a cylindrical wall being slidably disposed in the hole; wherein: (a) two or more elongated slots through the cylindrical wall extend from a first circumferential collar of the tube to a second circumferential collar of the tube; (b) the two or more slots form two or more elongated resilient legs connecting the first collar and the second collar; and (c) a portion of each elongated leg is disposed in the hole.