The HP Slim ODD latch, part 910139-001, is a replacement component for a slim optical drive. HP identifies this part number as an optical drive latch, and the service guide shows the latch used to release the drive when removing it.
This part is specified for 9.5 mm slim optical disk drives. The distributor lists it for HP ENT15 systems, giving a concrete system family for its intended use.
It provides the latch function for a compatible slim optical drive, helping secure the drive in its bay and release it during removal.