Abstract: A female snap-on connector (1) intended to cooperate with a male attachment end fitting (20) of the type with a central bush (26) and a flange (25) includes a body (2) forming a cylindrical cavity and to which is fixed a cap (10) forming a housing for two symmetrical latch parts (50) disposed head-to-spigot, mounted to slide in the same transverse direction, each latch part (50) including a manoeuvring part (51), a rigid connecting rod (53) and a jaw (52) as well as spring means (55) for continuously urging each latch part (50) elastically into its rest position in which the jaw (52) is moved toward the axis and the manoeuvring part (51) is in its radially outermost position.