The Filter,fluid, cataloged under National Stock Number 4330-01-107-6985, 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 Corporation. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-107-6985 |
| Primary Part Number | AH9998A12UPRW |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Filtration Rating in Microns | 5.0 NOMINAL |
| Body Width | 3.000 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL PIPE SIDE NEAR TOP |
| Mounting Hole Diameter | 0.266 INCHES NOMINAL IN |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Filtering Element Quantity | 1 |
| Body Length | 4.375 INCHES NOMINAL IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Bracket Quantity | 1 |
| Mounting Type | BRACKET W/DRILLED HOLE BASE |
| 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 |
|---|---|
| AH9998A12UPRW | Pall Aeropower Corporation (USA) |
| 746289-1 | Air Armament Center/ En (USA) |
| Reference | Meaning |
|---|---|
| AH9998A12UPRW | 3/9 Design control — primary reference Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
| AH9998A12UPRW | 5/9 Secondary reference Pall Corp Div Pall Corporation |
| 746289 | 7/1 Vendor item drawing reference Air Armament Center/ En |
NSN 4330-01-107-6985 is a Filter,fluid, manufactured by Pall Aeropower Corporation, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-107-6985 has 2 manufacturer part numbers on file: AH9998A12UPRW (Pall Aeropower Corporation), 746289-1 (Air Armament Center/ En).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-482-7807. Verify interchangeability with system specifications before substitution.
Key specifications for AH9998A12UPRW: Mounting Hole Quantity: 2; Filtration Rating in Microns: 5.0 NOMINAL; Body Width: 3.000 INCHES NOMINAL IN; First Intake Connection Type: THREADED INTERNAL PIPE SIDE NEAR TOP. 11 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.