IT5HD-100S-BGA(39)Mating Receptacle with +1mm height, same number of positions, BGA mounting, and material/plating specification.
IT5M-100S-BGA(37)Mounting Receptacle, same number of positions, BGA mounting, with a different material/plating specification (37) for mounting receptacles.
IT5HM-100S-BGA(37)Mounting Receptacle with +1mm height, same number of positions, BGA mounting, and material/plating specification (37) for mounting receptacles.
Confirm acceptability against your drawing before ordering.