05713900 – External Retaining Ring .821″ × .078″ (Genuine OEM Ariens / Gravely Part) The 05713900 external retaining ring (.821″ diameter × .078″ thickness) is a genuine OEM Ariens / Gravely snap ring designed to secure shafts, pins, and rotating components within mower drive assemblies. This retaining ring provides positive axial retention, preventing components from shifting during operation while allowing proper rotational movement. Manufactured to Ariens and Gravely factory specifications, the 05713900 retaining ring ensures correct fitment, secure holding strength, and long-term reliability in high-vibration, high-load mowing applications. Key Details Manufacturer Part Number: 05713900 Part Name: External Retaining Ring (Snap Ring) Brand: Ariens / Gravely Ring Type: External Nominal Diameter: .821″ Thickness: .078″ Part Type: Spring steel retaining ring Function: Retains components on a shaft and prevents axial movement Application: Mower drive assemblies Installation: Direct OEM replacement Compatibility The Ariens / Gravely 05713900 retaining ring is used in mower drive systems on select Gravely PM Series commercial walk-behind mower decks, where it secures drive-related components and maintains proper assembly alignment. Common Compatible Equipment Includes Gravely PM Series Walk-Behind Decks PM400 – 50″ Deck PM400 – 60″ Deck PM350 – 60″ Deck Application Area Mower Drive assemblies This retaining ring is used across applicable serial number ranges and plays a critical role in maintaining shaft retention and component stability within the mower drive system. Why Use Genuine OEM 05713900 Using the OEM 05713900 retaining ring ensures: Proper shaft retention and component security Resistance to vibration and rotational forces Correct spring tension and groove engagement Long service life in commercial mowing conditions This retaining ring delivers OEM-level fit, strength, and reliability, making it the correct replacement choice for Ariens and Gravely mower drive assemblies.
