The GRACO 172389 PIN, STR HDLS is a small, precision-engineered pin designed for use in GRACO diaphragm pump assemblies. Its main material is not explicitly stated, but it is typically constructed from durable metal for strength and longevity. This part is intended to function as a structural or handling pin within GRACO airless paint sprayer and diaphragm pump systems, ensuring proper alignment and secure operation of moving components. Key Features: Pin, Str Hdls Length: 1.4 in (3.556 cm), Height: 0.25 in (0.635 cm), Width: 0.2 in (0.508 cm) GRACO diaphragm pump and airless paint sprayer systems Precision fit for secure component alignment Durable construction for reliable performance Quick and straightforward replacement Applications:Used in GRACO diaphragm pump and airless paint sprayer assemblies to ensure proper alignment and secure handling of internal components. Installation Notes: Using genuine GRACO parts ensures optimal fit, performance, and longevity of the equipment. Ensure the equipment is powered off and depressurized before installation. Align the pin carefully with the corresponding holes in the assembly. Check for secure fit and proper alignment after installation. Inspect the pin during routine maintenance for wear or damage. Replace the pin if any signs of wear or deformation are detected. Use only genuine GRACO replacement parts for best results.