The Filter,fluid, cataloged under National Stock Number 4330-01-373-0135, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Norman Filter Company, L.l.c. Dba Norman Filter Co Llc. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-373-0135 |
| Primary Part Number | U-10185 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Norman Filter Company, L.l.c. Dba Norman Filter Co Llc |
| Status | ACTIVE |
| Filtering Media Design | PLEATED SINGLE FILTERING MEDIA RESPONSE |
| Mounting Hole Quantity | 2 |
| Filtration Rating in Microns | 3.0 ABSOLUTE AND 10.0 NOMINAL |
| Distance From Bottom of Body to Center of Inlet | 6.470 INCHES NOMINAL IN |
| Distance Between Mounting Hole Centers | 2.000 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 0.500 INCHES IN |
| First Intake Thread Series Designator | UN |
| Design Type | REUSABLE |
| Temp Rating | -40.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| Body Width | 2.750 INCHES NOMINAL IN |
| Body Height | 8.000 INCHES NOMINAL IN |
| Supplementary Features | HEX WRENCHING FACILITY ON BOTTOM |
| First Intake Connection Type | THREADED INTERNAL TUBE HEAD SIDE |
| Style Designator | TEE TYPE (HYDRAULIC) |
| Material Document and Classification | QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Mounting Hole Diameter | 0.345 INCHES NOMINAL IN |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Filtering Element Quantity | 1 |
| Body Length | 3.750 INCHES NOMINAL IN |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | FUEL/OIL, HYDROCARBON OR AIR |
| Material | ALUMINUM ALLOY 2024 BODY |
| Material | RUBBER BUNA N SEAL |
| Material | CELLULOSE FILTERING MEDIUM |
| First Intake Thread Quantity Per Inch | 8 |
| Mounting Type | OUTLET CONNECTION AND INLET CONNECTION AND UNTHREADED HOLE HEAD SIDE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| U-10185 PRIMARY | Norman Filter Company, L.l.c. Dba Norman Filter Co Llc (USA) |
| 6509872-1 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 4545AA-03RL | 5/9 Secondary reference Norman Filter Company, L.l.c. Dba Norman Filter Co Llc |
| 6509872 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 4330-01-373-0135 is a Filter,fluid, manufactured by Norman Filter Company, L.l.c. Dba Norman Filter Co Llc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-373-0135 has 2 manufacturer part numbers on file: U-10185 (Norman Filter Company, L.l.c. Dba Norman Filter Co Llc), 6509872-1 (Naval Sea Systems Command).
Key specifications for U-10185: Filtering Media Design: PLEATED SINGLE FILTERING MEDIA RESPONSE; Mounting Hole Quantity: 2; Filtration Rating in Microns: 3.0 ABSOLUTE AND 10.0 NOMINAL; Distance From Bottom of Body to Center of Inlet: 6.470 INCHES NOMINAL IN. 28 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.