An assembly comprising: an outer component ; an inner component ; and a ring positioned between the outer component and the inner component , the ring comprising at least one radially extending projection adapted to seat within at least one groove in the inner component or outer component , wherein the at least one projection is adapted to compress radially to allow rotational movement between the inner component and the outer component upon application of rotational force respectively to at least one of the inner component or the outer component , wherein the ring further comprises a sidewall , and wherein the at least one projection is coupled to the sidewall along a first side thereof, and continuously disconnected from the sidewall along the remaining sides, wherein the assembly is a rotational assembly, wherein the inner component comprises a shaft, the outer component comprises a housing, and the projection compresses radially to allow rotational movement between shaft and the housing upon application of a rotational force to at least one of the shaft or the housing, wherein the at least one radially extending projection defines a radially innermost surface and a bridge portion connecting the radially innermost surface to the sidewall and further includes an end portion extending radially outward from the innermost surface , the at least one projection extending radially inward from the sidewall and interacting with the at least one groove formed on the inner component , or wherein the at least one radially extending projection defines a radially outermost surface and a bridge portion connecting the radially outermost surface to the sidewall and further includes an end portion 720 extending radially inward from the outermost surface , the at least one projection extending radially outward from the sidewall and interacting with the at least one groove formed on the outer component . an outer component ; an inner component ; and a ring positioned between the outer component and the inner component , the ring comprising at least one radially extending projection adapted to seat within at least one groove in the inner component or outer component , wherein the at least one projection is adapted to compress radially to allow rotational movement between the inner component and the outer component upon application of rotational force respectively to at least one of the inner component or the outer component , wherein the ring further comprises a sidewall , and wherein the at least one projection is coupled to the sidewall along a first side thereof, and continuously disconnected from the sidewall along the remaining sides, wherein the assembly is a rotational assembly, wherein the inner component comprises a shaft, the outer component comprises a housing, and the projection compresses radially to allow rotational movement between shaft and the housing upon application of a rotational force to at least one of the shaft or the housing, wherein the at least one radially extending projection defines a radially innermost surface and a bridge portion connecting the radially innermost surface to the sidewall and further includes an end portion extending radially outward from the innermost surface , the at least one projection extending radially inward from the sidewall and interacting with the at least one groove formed on the inner component , or wherein the at least one radially extending projection defines a radially outermost surface and a bridge portion connecting the radially outermost surface to the sidewall and further includes an end portion 720 extending radially inward from the outermost surface , the at least one projection extending radially outward from the sidewall and interacting with the at least one groove formed on the outer component . <EOS>