The GRACO 867390 is a PTFE (polytetrafluoroethylene) o-ring designed for use in GRACO spray equipment. This o-ring provides a reliable seal in high-performance applications, particularly where chemical resistance and durability are required. Key Features: O-Ring 5-677 PTFE (Polytetrafluoroethylene) Designed for GRACO spray equipment; aftermarket replacement Bedford 15-1834 may also be compatible Chemical resistance Durability Reliable sealing performance Applications:Used in GRACO spray equipment for sealing components, particularly in environments requiring chemical resistance and long service life. Installation Notes: Using genuine GRACO o-rings ensures proper fit, performance, and longevity of equipment. Inspect o-ring and mating surfaces for damage before installation. Lubricate o-ring with compatible lubricant if recommended by the equipment manual. Ensure correct orientation and seating during installation. Replace o-rings during routine maintenance or if leaks are detected.