The 306604 Replacement Oil Filter Element is a high-performance, direct-fit replacement for the original Internormen 01.NR series return-line filter. Engineered to the highest technical standards, this element is designed to be interchangeable with the Eaton 01.NR.1000.3VG.10.B.P.- model and reliably removes solid particles, colloidal contaminants, and other pollutants from the working medium of hydraulic and lubrication systems, effectively controlling the pollution degree of the working medium and ensuring the reliable operation of the entire system.
Its durable construction and high-performance media protect critical components such as pumps, valves, and actuators from abrasive wear, which directly contributes to enhanced system reliability, prolonged equipment service life, and minimized costly unplanned downtime.
| Part number | 306604 |
| End caps | Carbon steel |
| Working temperature | -20℃ ~+120 ℃ |
| Filter layer | Fiberglass/Stainless steel |
| Filtration rate | 5 micron |
| Working pressure | 10 bar |
| Origin | Henan, China |
| Package | Carton package |
Note: Specifications are based on the standard. Exact parameters vary with media selection, pleating geometry, and end‑cap design. The user should consult the manufacturer for media grade recommendations based on operating conditions.
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01.E 950.10VG.10.E.P
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01.E90.10VG.HR.EP
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01.E 60.16VG.HR.E.P
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01E.150.6VG.30.E.V
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1.E2001.25V.10EP
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01.E320.10VG.16.S.P.
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01.E360.25VG.30.EP
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01.E.30.10VG.HR
|
01.E30.3VG.HR
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01.NL400.25G.30.EP
|
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01E.450.25VG.30.E.V
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01.E175.25G.16E.P
|
01.TS 425.16VG
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01NL.400.40G.30.S1.P
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01NBF.55-85.10P.P
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101.40G.16.E.V
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01Е.150.3 VG.HR.E.P.
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01.NR1000.25G.10.B.P
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DU1001.10VG.10BP.FS.A
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NF1000.10VG.10.B.V
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ASF90.80G.E.O
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01NL40025G30EP
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There are part of the models related to the replace Internormen oil filter 306604. If you have other needs, please send details to us to get a quote.
Huahang Filter has been manufacturing industrial hydraulic, lubrication, and filtration products since 2003. Operating from a 26,000 m² ISO 9001:2015 certified facility in Xinxiang, Henan Province, the company exports to more than 120 countries, with exports accounting for over 80% of total production.

Huahang offers comprehensive custom engineering for Internormen (Eaton) filter elements:
| Service | Details |
|---|---|
| Dimensions | Outer diameter, inner diameter, length, end cap style, seal groove profile |
| Micron Rating | 1, 3, 6, 12, 25, 50 μm and beyond |
| Media Type | Glass fiber, stainless steel wire mesh, synthetic, cellulose |
| End Cap Material | Carbon steel, stainless steel, aluminum, or high‑strength polymer |
| Seal Material | NBR , Viton , EPDM, silicone |
| Working Pressure | 1.0 MPa, 2.0 MPa, 16.0 MPa, or custom |
| Working Temperature | -20°C to +110°C standard; extended range with specialty seals |
| Private Labeling | Custom part numbers, branding, and packaging for OEM and distributor partners |

Q: How do I know if this filter will fit my system?
A: The 306604 replacement is designed for compatibility with the Internormen 01.NR.1000.3VG.10.B.P.- filter housing. Please verify your housing’s part number or dimensions against this filter.
Q: What hydraulic fluids is this filter compatible with?
A: The element is compatible with a wide range of mineral oils, synthetic hydraulic fluids, and lubricants. The standard NBR seal provides excellent compatibility with these common fluids. For phosphate esters , water-glycol , or other specialty fluids, we offer Viton seals and can verify full chemical compatibility.
Q: How often should I replace this filter element?
A: Replacement intervals should be determined by:
Differential pressure indicator – Replace when the indicator signals a clogged element
Scheduled maintenance – Follow OEM recommendations for your specific equipment
Operating conditions – Harsher environments may require more frequent changes
Fluid analysis results – Regular oil sampling can help optimize change intervals