WASHER (Hyster HY161665)

A worn washer can allow fastener loosening under vibration, leading to component misalignment or detachment. The Hyster catalog reference HY161665 identifies this aftermarket replacement part. This washer type provides a plain mechanical function by distributing load and preventing galling between a fastener head and the mating surface. A concrete generic failure consequence is that a missing or crushed washer can cause a bolted joint to lose preload, resulting in progressive loosening. In a realistic usage context, washers are commonly replaced during reassembly after any disassembly of bolted connections. Verify the serial number or application, then call (562) 693-7748.

Part number variants: HY161665, hy161665