A turbine engine case, comprising: a first panel; a second panel defining an aperture; and a support hanger including a strut that is connected to the first panel, and a base that is pivotally connected to the strut, the base including a pivot member that is pivotally engaged with the second panel, wherein the base extends away from the strut and through the aperture to the pivot member, wherein: the base includes a retainer and a collar; the retainer defines a retainer bore, and includes the pivot member which extends circumferentially around an axis of the retainer bore; the collar extends into the retainer bore and is pivotally connected to the strut; the second panel includes a first bearing surface that has an arcuate cross-sectional geometry and extends circumferentially around the aperture; the pivot member includes a second bearing surface that has an arcuate cross-sectional geometry and slidably engages the first bearing surface; the first bearing surface is concave and the second bearing surface is convex; the collar is threaded into the retainer; the strut includes a first parti-spherical surface; the collar includes a second parti-spherical surface that slidably engages the first parti-spherical surface; the second parti-spherical surface at least partially defines a collar bore that extends into the collar; and the first parti-spherical surface is convex and the second parti-spherical surface is concave. a first panel; a second panel defining an aperture; and a support hanger including a strut that is connected to the first panel, and a base that is pivotally connected to the strut, the base including a pivot member that is pivotally engaged with the second panel, wherein the base extends away from the strut and through the aperture to the pivot member, wherein: the base includes a retainer and a collar; the retainer defines a retainer bore, and includes the pivot member which extends circumferentially around an axis of the retainer bore; the collar extends into the retainer bore and is pivotally connected to the strut; the second panel includes a first bearing surface that has an arcuate cross-sectional geometry and extends circumferentially around the aperture; the pivot member includes a second bearing surface that has an arcuate cross-sectional geometry and slidably engages the first bearing surface; the first bearing surface is concave and the second bearing surface is convex; the collar is threaded into the retainer; the strut includes a first parti-spherical surface; the collar includes a second parti-spherical surface that slidably engages the first parti-spherical surface; the second parti-spherical surface at least partially defines a collar bore that extends into the collar; and the first parti-spherical surface is convex and the second parti-spherical surface is concave. the base includes a retainer and a collar; the retainer defines a retainer bore, and includes the pivot member which extends circumferentially around an axis of the retainer bore; the collar extends into the retainer bore and is pivotally connected to the strut; the second panel includes a first bearing surface that has an arcuate cross-sectional geometry and extends circumferentially around the aperture; the pivot member includes a second bearing surface that has an arcuate cross-sectional geometry and slidably engages the first bearing surface; the first bearing surface is concave and the second bearing surface is convex; the collar is threaded into the retainer; the strut includes a first parti-spherical surface; the collar includes a second parti-spherical surface that slidably engages the first parti-spherical surface; the second parti-spherical surface at least partially defines a collar bore that extends into the collar; and the first parti-spherical surface is convex and the second parti-spherical surface is concave.