13990034 – Wright Flat Washer, 1/2" × 1-1/2" × 1/4" (Genuine Wright OEM Part) The Wright 13990034 is a genuine OEM flat washer, manufactured to 1/2-inch inner diameter × 1-1/2-inch outer diameter × 1/4-inch thickness specifications for use in compatible Wright lawn and turf equipment. This washer is designed to evenly distribute clamping force under a bolt head or nut, helping protect mating surfaces and ensure secure, stable fastening in high-load and high-vibration applications. Manufactured to Wright original equipment standards, this flat washer is produced from high-strength steel to provide durability, resistance to deformation, and long service life in commercial mowing environments. Using a genuine Wright flat washer ensures correct dimensions, proper fitment, and factory-approved fastening performance. Product Details Manufacturer Part Number: 13990034 Brand: Wright Part Type: Flat Washer Inner Diameter: 1/2 inch Outer Diameter: 1-1/2 inches Thickness: 1/4 inch System: Fastening / hardware system Function: Distributes load and protects mounting surfaces Material: High-strength steel OEM Status: Genuine Wright OEM replacement Function Evenly distributes clamping force Protects components from surface damage Supports secure and stable fastener installation Helps maintain proper fastener alignment Compatible With The Wright 13990034 Flat Washer is used on select Wright equipment, including: Wright stand-on mowers Wright commercial lawn and turf equipment Wright deck, chassis, and mounting assemblies requiring 1/2-inch flat washers (Exact compatibility depends on the specific Wright model and fastening location.) How It’s Used This washer installs between the bolt head or nut and the mating surface. When tightened, it spreads the load over a larger area to improve fastening stability and protect components from damage. Ensure the washer is seated flat and paired with the correct 1/2-inch fastener. Suggested Maintenance Inspect washers during service for bending, cracking, or wear Replace washers that show deformation or surface damage Always use the correct washer size and thickness for the application Keep hardware clean to maintain proper clamping force The Wright 13990034 Flat Washer (1/2" × 1-1/2" × 1/4") is used in OEM-specified Wright fastening systems where strength, durability, and secure load distribution are essential.
