Oil Sight Glasses

We carry a variety of Oil Sight Glasses in various sizes for your air compressor pump.

• Can be used for Rotary Screw applications.
• Max pressure is 300 PSI
• Threaded

Remember! The Outside Diameter (O.D.) of the thread always measure 1/4" over what the "MPT" size is! So, if you measure a 1" OD thread, order a 3/4" MPT sight!