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Thread Type Thread Type |
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System of Measurement System of Measurement |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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Gender Gender |
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Hex Size Hex Size |
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Material Material |
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Connection Style Connection Style |
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![]() | Threaded |
Window Diameter Window Diameter |
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Specifications Met Specifications Met |
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Seal Material Seal Material |
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Minimum Temperature Minimum Temperature |
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Connection Type Connection Type |
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![]() | Pipe |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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For Liquid Type For Liquid Type |
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Mount Type Mount Type |
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Window Material Window Material |
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Maximum Pressure Maximum Pressure |
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Maximum Temperature Maximum Temperature |
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For Use With For Use With |
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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.
UN/UNF (SAE Straight) threads are also known as O-ring boss threads; a gasket can be added to prevent leaks.
For technical drawings and 3-D models, click on a part number.
Temp. Range, °F | For Dark Liquid | |||||||||||
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Thread Size | Window Dia. | Hex Size | Max. Pressure | Min. | Max. | For Use With | Window Material | Seal Material | Features | Specifications Met | Each | |
Steel | ||||||||||||
UN/UNF (SAE Straight) Male Thread | ||||||||||||
1 5/16"-12 | 15/16" | 1 1/2" | 75 psi @ 70° F | -40° | 180° | Water, Hydraulic Fluid, Diesel Fuel | Glass | Buna-N Rubber | Indicator Ball | SAE J1926/3 | 0000000 | 000000 |