A fiber optic connector for connection of two buffered optical fibers in a high-density optical fiber system comprising a dual fiber optic cable adapter, the fiber optic connector comprising: a first sub-assembly housing having a first housing body, wherein the first housing body comprises a first housing lever disposed on a forward top surface thereof, flaring backward therefrom; a second sub-assembly housing having a second housing body, wherein the second housing body comprises a second housing lever disposed on a forward top surface thereof, flaring backward therefrom; a two-piece connector housing having a first housing through port and a second housing through port formed at a front end thereof, wherein the first and second sub-assembly housings (30a, 30b) are engaged and fixed in the first and second housing through ports (24a, 24b), respectively; and a push-pull tab engaged and fixed to a top surface of the two-piece connector housing, characterized in that the push-pull tab comprises a first rectangular guide opening and a second rectangular guide opening disposed on front top side ends thereof, the first housing lever has a first structural protrusion disposed on a back end thereof, wherein the first structural protrusion is suspended above a back top surface of the first housing body and is flexible and is further configured to pass through the first guide opening in the push-pull tab to protrude upward and outward from a top surface of the push-pull tab, and the second housing lever has a second structural protrusion disposed on a back end thereof, wherein the second structural protrusion is suspended above a back top surface of the second housing body and is flexible and is further configured to pass through the second guide opening in the push-pull tab to protrude upward and outward from the top surface of the push-pull tab, such that, when a horizontal pulling force is applied to the push-pull tab in a backward direction, the first and second structural protrusions (33a, 33b) are pushed downward into the first and second housing through ports (24a, 24b) of the two-piece connector housing. a first sub-assembly housing having a first housing body, wherein the first housing body comprises a first housing lever disposed on a forward top surface thereof, flaring backward therefrom; a second sub-assembly housing having a second housing body, wherein the second housing body comprises a second housing lever disposed on a forward top surface thereof, flaring backward therefrom; a two-piece connector housing having a first housing through port and a second housing through port formed at a front end thereof, wherein the first and second sub-assembly housings (30a, 30b) are engaged and fixed in the first and second housing through ports (24a, 24b), respectively; and a push-pull tab engaged and fixed to a top surface of the two-piece connector housing, characterized in that the push-pull tab comprises a first rectangular guide opening and a second rectangular guide opening disposed on front top side ends thereof, the first housing lever has a first structural protrusion disposed on a back end thereof, wherein the first structural protrusion is suspended above a back top surface of the first housing body and is flexible and is further configured to pass through the first guide opening in the push-pull tab to protrude upward and outward from a top surface of the push-pull tab, and the second housing lever has a second structural protrusion disposed on a back end thereof, wherein the second structural protrusion is suspended above a back top surface of the second housing body and is flexible and is further configured to pass through the second guide opening in the push-pull tab to protrude upward and outward from the top surface of the push-pull tab, such that, when a horizontal pulling force is applied to the push-pull tab in a backward direction, the first and second structural protrusions (33a, 33b) are pushed downward into the first and second housing through ports (24a, 24b) of the two-piece connector housing.