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    4 Products

    High-Visibility Sights

    Easily view liquid movement and level changes from a distance—these sights have an indicator ball inside the glass window. They also have a reflector that makes dark liquid easy to see, especially in low-light conditions.
    Steel with Glass Window
    Image of Product. Front orientation. Sights. High-Visibility Sights.
    UN/UNF (SAE Straight) Thread—UN/UNF (SAE Straight) threads are also known as O-ring boss threads.
    For Dark Liquids
    Thread
    Size
    Window
    Dia.
    Hex
    Size
    Max. Pressure
    @ Temp.
    Temp. Range,
    ° F
    For Use With
    Seal
    Material
    Specs. Met
    Each
    UN/UNF (SAE Straight) Male
     
    With Indicator Ball
    3/4"-16
    		9/16"7/8"75 psi @ 70° F-40 to 180Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)Buna-N
    		SAE J1926/33277K87000000
    1 1/16"-12
    		3/4"1 1/4"75 psi @ 70° F-40 to 180Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)Buna-N
    		SAE J1926/33277K8800000
    1 5/16"-12
    		15/16"1 1/2"75 psi @ 70° F-40 to 180Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)Buna-N
    		SAE J1926/33277K8900000
    1 7/8"-12
    		1 7/16"2"20 psi @ 70° F-40 to 180Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)Buna-N
    		SAE J1926/33277K9100000
     
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