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Inspect plug for damage before use
Designed for use with specific GRACO fluid handling equipment
intended for the transfer of fluids in surface technology
within GRACO equipment and compatible systems[2][3][5]
GRACO Sightglass, Level - (SKU: 556697) Inspect plug for damage beforeThe GRACO 556697 Sightglass, Level is a transparent viewing component designed to allow operators to visually monitor fluid levels within GRACO lubrication or fluid handling equipment. Its material is not explicitly specified in available sources, but sightglasses in similar applications are typically made from glass or durable plastic. Its primary function is to provide a clear indication of fluid level for maintenance and operational safety. Key
