Graco 105319 Spring Lock Washer

The Graco 105319 Spring Lock Washer Supports maintain tension between fastened components to reduce loosening caused by vibration or repeated movement during equipment operation. It works by compressing under the fastener head or nut, applying continuous pressure that supports a tighter mechanical connection between joined parts. This spring lock washer is typically installed within pumps, spray systems, or fluid handling assemblies where bolts and threaded hardware secure internal or external components. The part is used in maintenance and replacement applications involving worn or missing fastening hardware. It supports standard fastening operates related to component stability and connection retention in compatible equipment systems.