Electrical connector

An electrical connector which can be coupled with a mating connector inserted from a tip side, comprising:

• a receptacle assembly including a contact pin, an insulating housing for containing the contact pin therein, and a metallic outer contact for covering the housing;
• a metallic shell for holding the receptacle assembly;
• and
• a cover attached to the shell for guiding coupling between the electrical connector and the mating connector,
• wherein the shell includes a body portion for holding the receptacle assembly and a pair of engagement recesses respectively formed on a pair of wall portions of the body portion,
• wherein the cover includes a cylindrical body portion, a pair of protruding pieces respectively extending from a pair of wall portions of the body portion toward a base side and engagement protrusions respectively extending from the pair of protruding pieces toward an inner side,
• wherein the cover is attached to the shell by respectively engaging the engagement protrusions of the cover with the pair of engagements recesses of the shell, and
• wherein each of the pair of protruding pieces of the cover has a thick portion and a thin portion whose thickness is thinner than a thickness of the thick portion.