The GRACO 120189 NUT, CAP, SST is a stainless steel cap nut designed for durability and precision. It is an original GRACO part intended to ensure a secure and reliable fit within compatible GRACO equipment, contributing to the integrity and longevity of the assembly. Key Features: Cap Nut Stainless Steel Designed for use with compatible GRACO equipment Durable stainless steel construction Precision fit for reliable performance Original GRACO part for assured compatibility Applications:Used in GRACO equipment assemblies where a secure, corrosion-resistant cap nut is required. Installation Notes: Using genuine GRACO parts like the 120189 ensures optimal fit, performance, and equipment longevity. Ensure threads are clean and undamaged before installation Hand-tighten initially, then use appropriate tools to secure without over-torquing Inspect for proper seating and alignment after installation Regularly inspect for signs of wear or corrosion Replace if damaged or if the equipment manual recommends replacement as part of maintenance