The Filter,fluid, cataloged under National Stock Number 4330-01-394-3771, 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 Hatch & Kirk, Inc.. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4330-01-394-3771 |
| Primary Part Number | 3326674 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Filtering Media Design | POROUS SINGLE FILTERING MEDIA RESPONSE |
| Mounting Hole Quantity | 4 |
| Distance From Bottom of Body to Center of Inlet | 14.000 INCHES NOMINAL IN |
| Distance Between Mounting Hole Centers | 12.120 INCHES NOMINAL IN |
| Design Type | REUSABLE |
| Body Outside Diameter | 23.500 INCHES NOMINAL IN |
| Body Height | 55.000 INCHES NOMINAL IN |
| First Intake Connection Type | PLAIN FACE FLANGE SIDE |
| Style Designator | LEG MOUNTED BODY AND COVER ASSY (SWING BOLTED) |
| Mounting Hole Diameter | 0.937 INCHES NOMINAL IN |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | AIR BLEED VALVE AND DRAIN PLUG |
| First Intake Flange Shape Style | ROUND W/UNTHREADED BOLT HOLES |
| Filtering Element Quantity | 8 |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Surface Treatment | CHROMATE ZINC AND LACQUER BODY |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Bracket Quantity | 4 |
| Material | STEEL BODY |
| Mounting Type | BRACKET W/DRILLED HOLE BASE |
| First Intake Flange Face Style | PLAIN |
| 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 |
|---|---|
| 3326674 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3326674 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| D8BRNV | 5/9 Secondary reference Kaydon Custom Filtration Corporation |
NSN 4330-01-394-3771 is a Filter,fluid, manufactured by Hatch & Kirk, Inc., classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-394-3771 has 1 manufacturer part number on file: 3326674 (Hatch & Kirk, Inc.).
Key specifications for 3326674: Filtering Media Design: POROUS SINGLE FILTERING MEDIA RESPONSE; Mounting Hole Quantity: 4; Distance From Bottom of Body to Center of Inlet: 14.000 INCHES NOMINAL IN; Distance Between Mounting Hole Centers: 12.120 INCHES NOMINAL IN. 22 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.