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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.
Temp. Range, °F | For Dark Liquid | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 7/8"-12 | 1 7/16" | 2" | 20 psi @ 70° F | -40° | 180° | Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based) | Glass | Buna-N Rubber | Indicator Ball | SAE J1926/3 | 0000000 | 000000 |