Norman
Norman 503M
Industrial filter element
Norman 503M specifications
The Norman 503M is a 4µm filter element. It measures 5.08" OD x 4.76" ID x 4" long. 3 cross-references on file (1 verified, 1 sourced, 1 transitive). Specifications verified. Last reviewed: April 2026
Physical fit
- Outer Diameter (O.D.)
- 5.08"Verified via cross-reference
- Inner Diameter (I.D.)
- 4.76"Verified via cross-reference
- Overall Length
- 4"Verified via cross-reference
- Micron Rating
- 4µmVerified via cross-reference
- Seal Material
- Not yet verified from an OEM source
- Connection / Thread
- Not yet verified from an OEM source
What replaces the Norman 503M?
3 cross-references on file (1 verified, 1 sourced, 1 transitive). Select to expand.
What replaces the Norman 503M?
3 cross-references on file (1 verified, 1 sourced, 1 transitive). Select to expand.
A cross-reference confirms dimensional fit and micron rating, not performance equivalence. Beta ratio, collapse rating, media, and service life can differ between brands.
Cross-references on file
Each row carries its own evidence status. Verified: confirmed against a source document. Sourced: taken from a published cross list, not independently confirmed. Transitive: derived through a chain of published crosses. None is an application-compatibility approval.
| Part Number | Manufacturer | Match |
|---|---|---|
| HP75L4-3MB | Hy-Pro | Verified |
| SF560MG | Swift Filters | Sourced |
| HC7500SCP4H | Pall | Transitive |
Application & Compatibility
The NORMAN 503M is designed for use in hydraulic and lubrication filtration systems. With a 4µm rating, this element is suitable for servo valve protection and high-precision hydraulic systems.
Frequently Asked Questions
What micron rating is the Norman 503M?
What are the dimensions of the Norman 503M?
Is there a cross-reference for the Norman 503M?
How this entry is verified
Every specification on this page names its source: manufacturer documents first, distributor catalogs second, decoded part-number patterns labeled as such. When a value has not been verified from an OEM source, the cell says so. Cross-references are fit claims, never performance claims.
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Labeled Cross-References
Every cross-reference on file carries its evidence status: verified, sourced, or transitive
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