The Filter Assembly,fluid, cataloged under National Stock Number 4330-01-233-4647, 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 Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Filter Assembly,fluid |
| FSC / FSG | 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters (FSG 43) |
| Manufacturers | Atlantic Inertial Systems Limited (CAGE U6441); Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (CAGE 60047) |
| Parameter | Value |
|---|---|
| NSN | 4330-01-233-4647 |
| Primary Part Number | AH9998A12UTSW |
| Item Name | Filter Assembly,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 283550-1503 | Atlantic Inertial Systems Limited (GBR) |
| AH9998A12UTSW PRIMARY | Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (USA) |
| Reference | Meaning |
|---|---|
| HH9021A12UTSW0 | 5/9 Secondary reference Viscount Catering Ltd |
NSN 4330-01-233-4647 is a Filter Assembly,fluid, manufactured by Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-233-4647 has 2 manufacturer part numbers on file: 283550-1503 (Atlantic Inertial Systems Limited), AH9998A12UTSW (Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div).
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.