Sight Plug Gage, NPT 2-11 1/2 Inches, Maximum Operating Pressure 500 PSI, Sight Diameter 1 7/8 Inches, Hex Diameter Flats 2 1/2 Inches, High PSI Fused Liquid Level, Open View, Glass Features Hex Dia. Flats (In.): 2-1/2 Item: Fused Sight Material: glass Max. Operating PSI: 500 NPT: 2- 11-1/2 Sight Dia. (In.): 1-7/8 Type: High PSI Fused Liquid Level Body: Steel Function: Allow Visual Inspection of Fluid Levels in Gear Boxes or Reservoirs Sight Material: Glass

Sight Plug Gage, NPT 2-11 1/2 Inches, Maximum Operating Pressure 500 PSI, Sight Diameter 1 7/8 Inches, Hex Diameter Flats 2 1/2 Inches, High PSI Fused Liquid Level, Open View, Glass Features Hex Dia. Flats (In.): 2-1/2 Item: Fused Sight Material: glass Max. Operating PSI: 500 NPT: 2- 11-1/2 Sight Dia. (In.): 1-7/8 Type: High PSI Fused Liquid Level Body: Steel Function: Allow Visual Inspection of Fluid Levels in Gear Boxes or Reservoirs Sight Material: Glass