A fiber optic connector comprising: a connector housing having an end defining a plug portion; a ferrule assembly mounted at least partially within the connector housing, the ferrule assembly including a ferrule located at the plug portion of the connector housing; a sealing member mounted about an exterior of the connector housing, the sealing member having an outer diameter less than 15 mm; a retention nut rotatably mounted about the exterior of the connector housing, the retention nut including exterior threads; wherein the connector housing includes opposite distal and proximal ends (52, 54), wherein the plug portion is located at the distal end of the connector housing and a fiber optic cable connects to the proximal end of the connector housing, wherein the connector housing includes a unitary molded one piece main body that extends from the distal end to the proximal end to completely define the plug portion of the connector housing, wherein the connector housing includes a cover that mounts to the one piece main body adjacent the proximal end of the connector housing, wherein the connector housing defines a passage that extends through the connector housing, the passage having a distal portion that extends through the plug portion and a proximal portion located between the one piece main body and the cover and further said connector comprising a band mounted at the proximal end of the connector housing, the band positioned over at least a portion of the cover and over at least a portion of the one piece main body for assisting in retaining the cover on the one piece main body and further wherein the one piece main body defines an exterior circumferential groove positioned adjacent the plug portion of the connector housing, the sealing member being positioned at least partially within the exterior circumferential groove. a connector housing having an end defining a plug portion; a ferrule assembly mounted at least partially within the connector housing, the ferrule assembly including a ferrule located at the plug portion of the connector housing; a sealing member mounted about an exterior of the connector housing, the sealing member having an outer diameter less than 15 mm; a retention nut rotatably mounted about the exterior of the connector housing, the retention nut including exterior threads; wherein the connector housing includes opposite distal and proximal ends (52, 54), wherein the plug portion is located at the distal end of the connector housing and a fiber optic cable connects to the proximal end of the connector housing, wherein the connector housing includes a unitary molded one piece main body that extends from the distal end to the proximal end to completely define the plug portion of the connector housing, wherein the connector housing includes a cover that mounts to the one piece main body adjacent the proximal end of the connector housing, wherein the connector housing defines a passage that extends through the connector housing, the passage having a distal portion that extends through the plug portion and a proximal portion located between the one piece main body and the cover and further said connector comprising a band mounted at the proximal end of the connector housing, the band positioned over at least a portion of the cover and over at least a portion of the one piece main body for assisting in retaining the cover on the one piece main body and further wherein the one piece main body defines an exterior circumferential groove positioned adjacent the plug portion of the connector housing, the sealing member being positioned at least partially within the exterior circumferential groove.