A first connector configured to be mated to a second connector, wherein the first connector includes a plurality of electrical contacts (10, 610b), wherein at least some of the electrical contacts (10, 610b) include: a flat base (12, 612b) that includes first and second side edges (620b, 625b), and a forward edge that extends between the first and second side edges (620b, 625b); and at least one contact arm (14a, 14b) extending from the forward edge of the base (12, 612b) for making electrical contact with a contact pad; wherein each of the first and second side edges (620b, 625b) defines one or more protrusions (630b, 635b) configured to engage an interior portion of a connector housing for securing the electrical contact (10, 610b) within the connector housing, wherein the one or more protrusions on the first side edge are asymmetrically arranged with respect to the one or more protrusions on the second side edge such that respective centers of each of the one or more protrusions on the first side edge are misaligned with respective centers of each of the one or more protrusions on the second side edge, characterized in that when a first said electrical contact (10, 610b) is arranged adjacent to a second said electrical contact (10, 610b) such that a distance between respective center axes of the respective bases (12, 612b) is about 1.8mm, a distance between a side edge of the base (12, 612b) of the first electrical contact (10, 610b) and a side edge of the base (12, 612b) of the second electrical contact (10, 610b) that is adjacent to the side edge of the base (12, 612b) of the first electrical contact (10, 610b) varies by less than 28 %. wherein the first connector includes a plurality of electrical contacts (10, 610b), wherein at least some of the electrical contacts (10, 610b) include: a flat base (12, 612b) that includes first and second side edges (620b, 625b), and a forward edge that extends between the first and second side edges (620b, 625b); and at least one contact arm (14a, 14b) extending from the forward edge of the base (12, 612b) for making electrical contact with a contact pad; wherein each of the first and second side edges (620b, 625b) defines one or more protrusions (630b, 635b) configured to engage an interior portion of a connector housing for securing the electrical contact (10, 610b) within the connector housing, wherein the one or more protrusions on the first side edge are asymmetrically arranged with respect to the one or more protrusions on the second side edge such that respective centers of each of the one or more protrusions on the first side edge are misaligned with respective centers of each of the one or more protrusions on the second side edge, characterized in that when a first said electrical contact (10, 610b) is arranged adjacent to a second said electrical contact (10, 610b) such that a distance between respective center axes of the respective bases (12, 612b) is about 1.8mm, a distance between a side edge of the base (12, 612b) of the first electrical contact (10, 610b) and a side edge of the base (12, 612b) of the second electrical contact (10, 610b) that is adjacent to the side edge of the base (12, 612b) of the first electrical contact (10, 610b) varies by less than 28 %. a flat base (12, 612b) that includes first and second side edges (620b, 625b), and a forward edge that extends between the first and second side edges (620b, 625b); and at least one contact arm (14a, 14b) extending from the forward edge of the base (12, 612b) for making electrical contact with a contact pad; wherein each of the first and second side edges (620b, 625b) defines one or more protrusions (630b, 635b) configured to engage an interior portion of a connector housing for securing the electrical contact (10, 610b) within the connector housing, wherein the one or more protrusions on the first side edge are asymmetrically arranged with respect to the one or more protrusions on the second side edge such that respective centers of each of the one or more protrusions on the first side edge are misaligned with respective centers of each of the one or more protrusions on the second side edge, characterized in that when a first said electrical contact (10, 610b) is arranged adjacent to a second said electrical contact (10, 610b) such that a distance between respective center axes of the respective bases (12, 612b) is about 1.8mm, a distance between a side edge of the base (12, 612b) of the first electrical contact (10, 610b) and a side edge of the base (12, 612b) of the second electrical contact (10, 610b) that is adjacent to the side edge of the base (12, 612b) of the first electrical contact (10, 610b) varies by less than 28 %.