J.W. Winco Inc Aluminum Fluid Level Sight Glass w/o Reflector - M16 x 1.5 Thread - J.W. Winco O81/B p/n 743-11-M16X1.5-B

UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" GENUINE GLASS OF HIGH STABILITY AND SCRATCH PROOF. SEALING WITH AN O-RING ON THE PERIPHERY AND NOT ON THE FACE EDGE OF THE GLASS. LEAK TIGHTNESS IS THEREFORE NOT AFFECTED BY AXIAL PRESSURES. THE SEAL IS HOUSED IN A GROOVE AND IT CAN THEREFORE NOT BE LOST. IN ADDITION THIS GROOVE PREVENTS THE SEAL FROM BEING EXTRUDED WHEN THE SIGHT GLASS IS TIGHTENED. THE LOCATION OF THIS SEAL ALLOWS ALSO THE SOFTER ELASTOMER WHICH GUARANTEES BETTER AND EASIER SEALING. FLUID LEVEL SIGHT GLASSES GN 743 CAN BE USED ON PRESSURIZED OIL TANKS. NBR SEAL MAXIMUM HEAT RESISTANCE 100° C (212° F). WHEN MOUNTING FLUID LEVEL SIGHT GLASSES ON WALLS OF LESS THAN 4 MM THICKNESS USE NUT GN 543.1. SIGHT GLASSES CAN BE ORDERED WITH OR WITHOUT A REFLECTOR. NOTE WHEN MOUNTING FLUID LEVEL SIGHT GLASES ON WALLS OF LESS THAN 4 MM THICKNESS USE NUT GN 543.1.