WSHR FLT .31 .38 .88 .083 (Hyster HY1581556)

A worn flat washer can allow fastener loosening under vibration, risking component separation. The Hyster catalog reference HY1581556 identifies this aftermarket replacement part. This washer type provides a plain mechanical function: distributing load over a wider surface area beneath a bolt head or nut. A concrete generic failure consequence is that a missing or crushed washer can cause the fastener to embed into the softer material, leading to joint failure. Keeping a flat washer in sound condition helps maintain consistent clamping force in bolted assemblies. Verify the serial number or application, then call (562) 693-7748.

Part number variants: HY1581556, hy1581556