MTD part 092.48.748 (cross‑listed as MTD 81.4767.000) is a genuine securing nut used in the drive/engagement assembly on select MTD/Merox reel/sickle‑bar mowers.

It fits models such as MTD BM87‑35, BM87‑40 and Merox MXBM 87‑50 (listed EAN 4049582631345) and is sold individually as a direct replacement to secure the drive pin/slider where the original nut is worn or stripped.