Removable closure member for a female portion received in an external opening of an aircraft engine nacelle

A removable closure member configured to close a female portion received in an external opening made in an external surface of a nacelle for an aircraft engine, said female portion comprising at least one opening that opens into the nacelle, said closure member comprising:

• a base forming an external contour of said member and configured to extend beyond the external opening of the nacelle so as to move into abutment against the external surface of said nacelle;
• and
• at least one resiliently deformable position retention member that projects from the base and is configured to be inserted into the opening of the female portion,
• wherein said position retention member comprises a stud comprising a lip that projects from the free end of the stud and extends toward a rigid portion of the female portion, said lip being deformable by contact with said rigid portion and configured to snap behind said rigid portion in the corresponding opening of the female portion so as to retain the closure member in position,
• wherein said stud is configured to cooperate with a ventilation grid or a scoop that is mounted in the female portion and that defines said opening.