#4 REG SPLIT LCW (Doosan DWS5100003)

A worn #4 REG SPLIT LCW can disrupt the precise regulation of flow in a pressure-control circuit. This aftermarket replacement part references the Doosan catalog and carries the cross-reference number DWS5100003. The component functions as a split lock washer, providing a mechanical locking action to prevent fastener loosening under vibration. If the washer fails, the fastener may back out, leading to fluid leakage or loss of clamping force. In a typical service context, this part is replaced during routine rebuilds of valve assemblies. The item ships at approximately 0.001 pounds. Verify the serial number or application, then call (562) 693-7748.

Part number variants: DWS5100003, dws5100003