Acts as a component of the NMS (Ndc80-MIND-Spc7) super complex which has a role in kinetochore function during late meiotic prophase and throughout the mitotic cell cycle. Component of the NMS super complex which consists of mis12, mis13, mis14, ndc80, nnf1, nuf2, sos7, spc7, spc24 and spc25. Interacts (via C-terminus) directly with sos7 (via C-terminus).