A housing for a fluid infusion device is provided. The housing can include a first housing component including a first engagement system. The first housing component can define a first compartment and a second compartment. The first engagement system can be coupled to the second compartment and movable relative to the second compartment. The housing can also include a second housing component coupled to the first compartment of the first housing component. The second housing component can include a second engagement system. The second engagement system can be movable relative to the second housing component.
