The Hand Pump Retaining Nut is used to firmly secure hand pump components during assembly and operation. It helps maintain correct alignment of internal and external parts, preventing loosening caused by vibration or repeated manual use. By holding the pump components in place, the retaining nut supports smooth pumping action and consistent pressure generation.Attributes:• Secures hand pump components in position.• Maintains proper alignment of pump parts.• Prevents loosening during manual operation.Applications: The Hand Pump Retaining Nut is used in hand pump assemblies to secure components, maintain alignment, and ensure reliable manual pumping performance.