M50041 Inspection Sight Glass #6 – 3/8″ 45° Flare, 5/8-18 Thread

The M50041 Inspection Sight Glass #6  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 #6  size version features a 3/8″ nominal diameter with an easy to view glass window and a 5/8-18 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  #6 Lines (3/8″) and 5/8-18 thread 45 degree flare.

• Ideal for professional mechanics, fleet service technicians, remanufacturers, and industrial maintenance shops who require reliable inspection components.