The Case IH 277802 is an authentic OEM retaining ring designed for secure fastening within a wide range of Case IH agricultural equipment. This critical component ensures the proper assembly and reliable operation of various systems in machinery such as Maxxum 5100 and 5200 series tractors, as well as MX series tractors including MX100, MX110, MX120, MX135, MX150, and MX170. Weighing approximately 0.005 kg, this retaining ring is manufactured to precise specifications for optimal performance and durability.