The GRACO 116038 Washer, Wave Spring is a small, precision-engineered component designed to provide spring tension and secure fitment within various GRACO spray equipment. Its material is not specified in available sources, but it is intended to function as a wave spring washer, ensuring proper assembly and pressure distribution in compatible GRACO machines. Key Features: Wave Spring Washer Fits multiple GRACO spray equipment models, including 650 Ultra XT - Lo Boy, 650 Ultra Max II - Lo Boy, 695 Ultra Max II - Pro Contractor, Hi Boy, Lo Boy, 795 Ultra Max II - Pro Contractor, and others (compatible with 159 machines according to some sources) Provides spring tension and secure fitment Small and lightweight (0.005 lbs) Designed for reliable assembly in GRACO equipment Applications:Used in GRACO spray equipment to ensure proper assembly and pressure distribution between components, contributing to equipment reliability and performance. Installation Notes: Using genuine GRACO parts ensures optimal fit, performance, and longevity of the equipment. Confirm compatibility with your specific GRACO model before installation Handle with care due to small size and lightweight Refer to equipment manual for detailed installation instructions Regularly inspect for wear or damage during routine maintenance Replace with genuine GRACO parts as needed