Stauff
The Stauff NL250B40B is a 40µm microglass (borosilicate) hydraulic filter element. It measures 3.1" OD x 1.605" ID x 9.76" long. Filtration efficiency is rated at β200 per ISO 16889. Seals are Nitrile (Buna-N), rated for -13°F to 250°F. 2 verified cross-references are available from aftermarket manufacturers.
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Technical specifications for the Stauff NL250B40B filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Performance | |
| Micron Rating | 40µm |
| Media Type | Microglass (Borosilicate) |
| Efficiency (ISO 16889) | β200 |
| Flow Direction | Return Line (Low Pressure) (Outside-In) |
| Operating Temperature | -13°F to 250°F |
| Dimensions | |
| O.D. (inches) | 3.1" |
| I.D. (inches) | 1.605" |
| O.A.L. (inches) | 9.76" |
| Seal Material | Nitrile (Buna-N) |
Last verified: February 2026
2 verified replacements available from Hy-Pro, Swift Filters
All cross-references are reviewed for dimensional and performance compatibility. Enter your info below to receive the full cross-reference report.
The STAUFF NL250B40B is designed for use in hydraulic and lubrication filtration systems. With a 40µm rating, this element is suitable for pump and component protection in industrial hydraulic circuits. Nitrile (Buna-N) seals provide compatibility with standard petroleum-based fluids and mineral oils.
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