The Filter Element,fluid, cataloged under National Stock Number 4330-01-491-9732, 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 Naval Sea Systems Command. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-491-9732 |
| Primary Part Number | 185-7069305 PART A3 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Body Diameter | 3.380 INCHES NOMINAL IN |
| Body Overall Length | 3.175 INCHES NOMINAL IN |
| Flow Direction | OUTSIDE IN |
| Design Type | REUSABLE |
| Mounting Flange Bolt Hole Quantity | 6 |
| Style Designator | CYLINDRICAL W/ CONTAINER (RIGID) AND MOUNTING FLANGE |
| Body Inside Diameter | 3.300 INCHES NOMINAL IN |
| Mounting Flange Thickness | 0.125 INCHES NOMINAL IN |
| Mounting Flange Bolt Hole Diameter | 0.282 INCHES NOMINAL IN |
| Media for Which Designed | WATER |
| Mounting Flange Bolt Circle Diameter | 4.500 INCHES NOMINAL IN |
| Mounting Flange Diameter | 5.300 INCHES NOMINAL IN |
| 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 |
|---|---|
| 185-7069305 PART A3 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 185-7069305 | D/9 Drawing number reference only Naval Sea Systems Command |
| H422-7010 | D/9 Drawing number reference only U.S. Government activity |
| H422-7010 PART A3 | 5/9 Secondary reference U.S. Government activity |
| H4227010A-A3 | 5/2 Secondary reference U.S. Government activity |
NSN 4330-01-491-9732 is a Filter Element,fluid, manufactured by Naval Sea Systems Command, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-491-9732 has 1 manufacturer part number on file: 185-7069305 PART A3 (Naval Sea Systems Command).
Key specifications for 185-7069305 PART A3: Body Diameter: 3.380 INCHES NOMINAL IN; Body Overall Length: 3.175 INCHES NOMINAL IN; Flow Direction: OUTSIDE IN; Design Type: REUSABLE. 12 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.