The Filter,fluid, cataloged under National Stock Number 4330-01-113-4842, 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 Norgren C a Co. Government technical data includes 25 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4330-01-113-4842 |
| Primary Part Number | F12-431-A2MA DUPE |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Norgren C a Co |
| Status | ACTIVE |
| Filtering Media Design | POROUS SINGLE FILTERING MEDIA RESPONSE |
| Mounting Hole Quantity | 2 |
| Filtration Rating in Microns | 25.0 NOMINAL |
| Distance Between Mounting Hole Centers | 2.520 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 0.500 INCHES IN |
| Mounting Facility Nominal Thread Size | 0.190 INCHES IN |
| First Intake Thread Series Designator | NPTF |
| Design Type | REUSABLE |
| Body Outside Diameter | 3.910 INCHES NOMINAL IN |
| Temp Rating | 175.0 FAHRENHEIT NOMINAL DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| Body Height | 6.980 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL PIPE HEAD SIDE |
| Style Designator | HIGH PRESSURE THREADED BODY |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Filtering Element Quantity | 1 |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | AIR |
| Mounting Facility Thread Series Designator | UNF |
| Material | PLASTIC POLYPROPYLENE FILTERING MEDIUM |
| Material | RUBBER BUNA N AND RUBBER SYNTHETIC SEAL |
| Material | ALUMINUM ALLOY OR ZINC BODY |
| Material | ALUMINUM ALLOY OR ZINC SEDIMENT BOWL |
| Mounting Type | THREADED HOLE HEAD |
| 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 |
|---|---|
| F12-431-A2M-AU | Mosier Fluid Power of Ohio Inc Dba Kc Mosier Co (USA) |
| F12-431-A2MA DUPE PRIMARY | Norgren C a Co (USA) |
| Reference | Meaning |
|---|---|
| 5274288 | D/9 Drawing number reference only Naval Sea Systems Command |
| F12-431-A2M-AU | 5/9 Secondary reference Norgren C a Co |
NSN 4330-01-113-4842 is a Filter,fluid, manufactured by Norgren C a Co, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-113-4842 has 2 manufacturer part numbers on file: F12-431-A2M-AU (Mosier Fluid Power of Ohio Inc Dba Kc Mosier Co), F12-431-A2MA DUPE (Norgren C a Co).
Key specifications for F12-431-A2MA DUPE: Filtering Media Design: POROUS SINGLE FILTERING MEDIA RESPONSE; Mounting Hole Quantity: 2; Filtration Rating in Microns: 25.0 NOMINAL; Distance Between Mounting Hole Centers: 2.520 INCHES NOMINAL IN. 25 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.