A compressor assembly may include a hermetic shell, a base and a mounting assembly. The hermetic shell may include a lower cover defining a first aperture. The base may define a second aperture. The mounting assembly may include a first isolation member and a fastener. The first isolation member may define a third aperture and may be located on a first side of the base. The third aperture may have a first portion defining a first inner diameter. The fastener may extend through the first, second and third apertures. The fastener may include a shank having a first radial protrusion defining a first outer diameter greater than the first inner diameter.