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Description
13990037 – Wright Flat Washer, 5/8" × 1-3/8" (Genuine Wright OEM Part)
The Wright 13990037 is a genuine OEM flat washer, manufactured to 5/8-inch inner diameter × 1-3/8-inch outer diameter specifications for use in compatible Wright lawn and turf equipment. This flat washer is designed to distribute clamping force evenly under a bolt head or nut, helping protect mating surfaces and ensure secure, stable fastening during operation.
Manufactured to Wright original equipment standards, this washer is produced from high-strength steel to provide durability and resistance to deformation in commercial mowing and outdoor environments. Using a genuine Wright flat washer ensures correct dimensions, proper fitment, and factory-approved fastening performance.
Product Details
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Manufacturer Part Number: 13990037
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Brand: Wright
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Part Type: Flat Washer
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Inner Diameter: 5/8 inch
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Outer Diameter: 1-3/8 inches
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System: Fastening / hardware system
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Function: Distributes load and protects mounting surfaces
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Material: High-strength steel
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OEM Status: Genuine Wright OEM replacement
Function
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Evenly distributes clamping force
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Protects components from surface damage
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Supports secure and stable fastener installation
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Helps maintain proper fastener alignment
Compatible With
The Wright 13990037 Flat Washer is used on select Wright equipment, including:
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Wright stand-on mowers
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Wright commercial lawn and turf equipment
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Wright deck, chassis, and mounting assemblies requiring 5/8-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 5/8-inch fastener.
Suggested Maintenance
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Inspect washers during service for bending, cracking, or wear
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Replace washers that show deformation or surface damage
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Always use the correct washer size for the application
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Keep hardware clean to maintain proper clamping force
The Wright 13990037 Flat Washer (5/8" × 1-3/8") is used in OEM-specified Wright fastening systems where strength, durability, and secure load distribution are essential.
