STAUFF · Replacement Elements · inline line
NR-1000-E-25-B filter element: specifications & equivalents
The NR-1000-E-25-B is a STAUFF inline-line hydraulic filter element, sized 159.5 × 399 mm OD × length (ID 90.3 mm). Verify against the current manufacturer data sheet before ordering.
Envelope OD × L 159.5 × 399 mm
Inside diameter 90.3 mm
Line type inline
Partially verified. Fit and grade trace to an official interchange document;
dimensional values are compiled from 0 aftermarket listing(s)
and must be confirmed against the manufacturer housing drawing. Confidence score 0.85.
Micron rating, media type, collapse pressure and seal material are not printed in the STAUFF interchange listing and are pending extraction from STAUFF product data sheets. Verify against the current STAUFF catalog before ordering.
Specification table
| Parameter | Value |
|---|---|
| Filter type | inline line |
| Outside diameter OD | 159.5 mm |
| Inside diameter ID | 90.3 mm |
| Length | 399 mm |
| Integral bypass valve | none (housing/valve-dependent) |
| Source catalog | STAUFF: STAUFF Filter Interchange online database (filterinterchange.com) |
| Last verified | 2026-09-27 |
Sources: STAUFF — STAUFF Filter Interchange online database (filterinterchange.com) — accessed 2026-09-27.
STAUFF® and all model designations are trademarks of their respective owners, used here for identification only — ElementRef is an independent reference site, not an authorized STAUFF distributor.
Dimensions & series range
| Outside diameter | 159.5 mm (6.280 in) |
| Inside diameter | 90.3 mm (3.555 in) |
| Overall length | 399 mm (15.709 in) |
All 160×399 mm interchange elements →
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
|
↔ 1000RN025ON page in verification queue | Aftermarket | partial | STAUFF Filter Interchange lists 1000 RN 025 ON (HYDAC) as replaced by NR-1000-E-25-B. Envelope dimensions are published; media grade and performance data are not — confirm before substituting in cleanliness-critical circuits. |
|
↔ 11000H20SL page in verification queue | Aftermarket | partial | STAUFF Filter Interchange lists 11000H20SL (EPE / Bosch-Rexroth Filtration) as replaced by NR-1000-E-25-B. Envelope dimensions are published; media grade and performance data are not — confirm before substituting in cleanliness-critical circuits. |
|
↔ 11000PWR20 page in verification queue | Aftermarket | partial | STAUFF Filter Interchange lists 11000PWR20 (EPE / Bosch-Rexroth Filtration) as replaced by NR-1000-E-25-B. Envelope dimensions are published; media grade and performance data are not — confirm before substituting in cleanliness-critical circuits. |
|
↔ 1268866 page in verification queue | UFI | partial | STAUFF Filter Interchange lists 1268866 (HYDAC) as replaced by NR-1000-E-25-B. Envelope dimensions are published; media grade and performance data are not — confirm before substituting in cleanliness-critical circuits. |
|
↔ 306606 page in verification queue | Aftermarket | partial | STAUFF Filter Interchange lists 306606 (INTERNORMEN) as replaced by NR-1000-E-25-B. Envelope dimensions are published; media grade and performance data are not — confirm before substituting in cleanliness-critical circuits. |
|
↔ 77960271 page in verification queue | UFI | partial | STAUFF Filter Interchange lists 77960271 (MAHLE / Filtration Group) as replaced by NR-1000-E-25-B. Envelope dimensions are published; media grade and performance data are not — confirm before substituting in cleanliness-critical circuits. |
|
↔ N1000RN2025 page in verification queue | Aftermarket | partial | STAUFF Filter Interchange lists N1000RN2025 (COMEX / Ecoparts) as replaced by NR-1000-E-25-B. Envelope dimensions are published; media grade and performance data are not — confirm before substituting in cleanliness-critical circuits. |
|
↔ N1000RN25 page in verification queue | Aftermarket | partial | STAUFF Filter Interchange lists N1000RN25 (COMEX / Ecoparts) as replaced by NR-1000-E-25-B. Envelope dimensions are published; media grade and performance data are not — confirm before substituting in cleanliness-critical circuits. |
| ↔ NR-1000-E-25-B | STAUFF | partial | STAUFF Filter Interchange lists NR-1000-E-25-B (STAUFF) as replaced by NR-1000-E-25-B. Envelope dimensions are published; media grade and performance data are not — confirm before substituting in cleanliness-critical circuits. |
|
↔ PI251000RNPS25 page in verification queue | Aftermarket | partial | STAUFF Filter Interchange lists PI 251000 RN PS 25 (MAHLE / Filtration Group) as replaced by NR-1000-E-25-B. Envelope dimensions are published; media grade and performance data are not — confirm before substituting in cleanliness-critical circuits. |
|
↔ PI251000RNSMX25 page in verification queue | Aftermarket | partial | STAUFF Filter Interchange lists PI 251000 RN SMX 25 (MAHLE / Filtration Group) as replaced by NR-1000-E-25-B. Envelope dimensions are published; media grade and performance data are not — confirm before substituting in cleanliness-critical circuits. |
|
↔ PI25100RN page in verification queue | Aftermarket | partial | STAUFF Filter Interchange lists PI 25100RN (MAHLE / Filtration Group) as replaced by NR-1000-E-25-B. Envelope dimensions are published; media grade and performance data are not — confirm before substituting in cleanliness-critical circuits. |
|
↔ PI25100RNPS25 page in verification queue | Aftermarket | partial | STAUFF Filter Interchange lists PI 25100 RN PS 25 (MAHLE / Filtration Group) as replaced by NR-1000-E-25-B. Envelope dimensions are published; media grade and performance data are not — confirm before substituting in cleanliness-critical circuits. |
|
↔ PI25100RNSMX25 page in verification queue | Aftermarket | partial | STAUFF Filter Interchange lists PI 25100 RN SMX 25 (MAHLE / Filtration Group) as replaced by NR-1000-E-25-B. Envelope dimensions are published; media grade and performance data are not — confirm before substituting in cleanliness-critical circuits. |
|
↔ XR1000G25 page in verification queue | Aftermarket | partial | STAUFF Filter Interchange lists XR1000G25 (FILTREC) as replaced by NR-1000-E-25-B. Envelope dimensions are published; media grade and performance data are not — confirm before substituting in cleanliness-critical circuits. |
Interchange levels: full catalog-confirmed drop-in · partial verify parameters · verify manual confirmation required. Links resolve to the equivalent model's specification page where available.
How the NR-1000-E-25-B model number is decoded
- NR-1000-E-25-BSTAUFF replacement element part number per the STAUFF Filter Interchange database.
Typical equipment & applications
- Replacement element for OEM hydraulic filter housings
Selection pitfalls — read before you substitute
- “10 µm nominal” and “12 µm at β1000” can describe the very same media — one is reported at β≥200, the other at β≥1000 per ISO 16889. Compare ratings at the same Beta test point, not just the printed micron number.
- Nitrile (NBR) seals are standard for mineral hydraulic oil but fail early in some phosphate-ester fluids and at sustained high temperature; verify seal compound against the fluid data sheet (fluorocarbon/Viton executions may be required).
- End-cap geometry and the number/position of O-rings block interchange even when OD and length match — visually compare end caps before fitting, especially with aftermarket cartridges.
Frequently asked questions
What are the dimensions of the NR-1000-E-25-B filter element?
The published envelope is 159.5 mm OD × 399 mm length with a 90.3 mm inside diameter (6.280 × 15.709 in × 3.555 in ID). Confirm against the housing drawing before ordering.
What replaces the NR-1000-E-25-B filter element?
15 partial match(es) requiring parameter review
How do I read the NR-1000-E-25-B part number?
See the designation decoder above: each segment of NR1000E25B encodes size, line type, filtration grade and media/collapse execution.
Is a same-envelope aftermarket element always a drop-in replacement?
No. Matching OD and length only proves the cartridge fits the bowl. End-cap style, seal compound, micron/Beta rating, collapse pressure and bypass configuration must also match; the table above tags every equivalent as full, partial or verify for exactly this reason.
How often should a hydraulic return-line element be replaced?
Replace at the housing manufacturer’s recommended differential-pressure setting (commonly signalled by a clogging indicator), or on a time-based service interval when no indicator is fitted — never wait for bypass to open continuously, because unfiltered oil then reaches the valves.
Same-envelope elements from other brands
View full interchange →These 33 catalog element(s) share the 160×399 mm envelope. Envelope match alone does not guarantee interchangeability — compare micron/Beta, seals and collapse rating.
NR-1000-B-100-B NR-1000-B-100-V NR-1000-B-10-B NR-1000-B-10-V NR-1000-B-125-B NR-1000-B-125-V NR-1000-B-200-B NR-1000-B-250-B NR-1000-B-25-B NR-1000-B-25-V
Other models in the Replacement Elements series
All 3832 → AD-030-B-125-B AD-030-B-40-B AD-030-B-60-B AD-030-B-80-B AD-030-E-20-B AD-033-B-40-B AD-033-B-60-B AD-033-B-80-B FE-BL-200 FE-BL-500
Reviewed & verified by the ElementRef engineering desk against STAUFF on 2026-09-27. Read our editorial & correction policy.