A medical device connector comprising: a housing having a longitudinal axis normal to a base; a wall projecting from the base; the wall comprising a plurality of cut-outs (101a, 101b) formed through the wall, the plurality of cut-outs extending in a partial helix configuration about the longitudinal axis of the housing; wherein the wall comprises a first solid section extending from the base parallel to the longitudinal axis of the housing; and a second solid section extending from the base parallel with the first solid section, the first and the second solid sections separating at least one of the plurality of cut-outs; characterized in that the plurality of cut-outs comprises thread-like features which can be formed from the exterior, thus eliminating the need for unscrewing rotating cores and/or collapsible cores during an injection molding process when manufacturing said connector, wherein said plurality of cut-outs further comprises a first pair of cut-outs (102a, 103a) and a second pair of cut-outs (102b, 103b) and the first pair of cut-outs is separated from the second pair of cut-outs by the first solid section and the second solid section; the first pair of cut-outs (102a, 103a) are separated by a third solid section of the wall, the third solid section extending from first solid section to the second solid section; and the second pair of cut-outs (102b, 103b) are separated by a fourth solid section that extends from the first solid section to the second solid section, and the first pair of cut-outs (102a, 103a) and the second pair of cut-outs (102b, 103b) are configured to receive locking lugs. a housing having a longitudinal axis normal to a base; a wall projecting from the base; the wall comprising a plurality of cut-outs (101a, 101b) formed through the wall, the plurality of cut-outs extending in a partial helix configuration about the longitudinal axis of the housing; wherein the wall comprises a first solid section extending from the base parallel to the longitudinal axis of the housing; and a second solid section extending from the base parallel with the first solid section, the first and the second solid sections separating at least one of the plurality of cut-outs; characterized in that the plurality of cut-outs comprises thread-like features which can be formed from the exterior, thus eliminating the need for unscrewing rotating cores and/or collapsible cores during an injection molding process when manufacturing said connector, wherein said plurality of cut-outs further comprises a first pair of cut-outs (102a, 103a) and a second pair of cut-outs (102b, 103b) and the first pair of cut-outs is separated from the second pair of cut-outs by the first solid section and the second solid section; the first pair of cut-outs (102a, 103a) are separated by a third solid section of the wall, the third solid section extending from first solid section to the second solid section; and the second pair of cut-outs (102b, 103b) are separated by a fourth solid section that extends from the first solid section to the second solid section, and the first pair of cut-outs (102a, 103a) and the second pair of cut-outs (102b, 103b) are configured to receive locking lugs.