Enables cytokine binding activity and oncostatin-M receptor activity. Predicted to be involved in oncostatin-M-mediated signaling pathway and positive regulation of cell population proliferation. Predicted to act upstream of or within cell surface receptor signaling pathway. Located in external side of plasma membrane. Is expressed in several structures, including cardiovascular system; hemolymphoid system; lung; sensory organ; and skeletal system. Human ortholog(s) of this gene implicated in primary localized cutaneous amyloidosis 1. Orthologous to human OSMR (oncostatin M receptor). [provided by Alliance of Genome Resources, Apr 2022]