The M50040 Inspection Sight Glass #4 is a precision-machined viewing port designed for high-visibility,
in-line diagnostics of fluids (Diesel Fuel) in heavy-duty equipment.
Allowing for easy visual confirmation of flow and air in fuel. This #4 size version features a 1/4″ nominal diameter with an easy to view glass
window and a 7/16-20 45-degree flared fitting thread for straightforward
installation in compatible Lines
Constructed for professional service environments, this sight glass is
engineered to provide a clear Glass lens with easy to see identification
dot, ideal for monitoring Fuel,hydraulic, auxiliary systems, and other
fluid-containing assemblies used in industrial and diesel heavy-duty
applications. For Flow and Air Leaks
Key Features & Benefits
-
Compatible with #4 Lines (1/4″) and 7/16-20 thread 45 degree flare.
-
Ideal for professional mechanics,
fleet service technicians, remanufacturers, and industrial maintenance
shops who require reliable inspection components.
Constructed for professional service environments, this sight glass is engineered to provide a clear Glass lens with easy to see identification dot, ideal for monitoring Fuel,hydraulic, auxiliary systems, and other fluid-containing assemblies used in industrial and diesel heavy-duty applications. For Flow and Air Leaks
Key Features & Benefits
-
Compatible with #4 Lines (1/4″) and 7/16-20 thread 45 degree flare.
-
Ideal for professional mechanics, fleet service technicians, remanufacturers, and industrial maintenance shops who require reliable inspection components.
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