The Filter,fluid, cataloged under National Stock Number 4330-01-303-9264, 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 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4330-01-303-9264 |
| Primary Part Number | HH9661A20DTSBP |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| Filtration Rating in Microns | 25.0 ABSOLUTE |
| Filtering Element Quantity | 1 |
| Filtering System for Which Designed | FULL FLOW |
| Media for Which Designed | ANY ACCEPTABLE |
| Material | GLASS FIBER FILTERING MEDIUM |
| 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 |
|---|---|
| HH9661A20DTSBP PRIMARY | Pall Aeropower Corporation (USA) |
| Reference | Meaning |
|---|---|
| 9660E1303160 | 5/9 Secondary reference Pall Corporation |
| HH9660A20DTSBPT | 5/9 Secondary reference Pall Corporation |
NSN 4330-01-303-9264 is a Filter,fluid, manufactured by Pall Aeropower Corporation, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-303-9264 has 1 manufacturer part number on file: HH9661A20DTSBP (Pall Aeropower Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-407-6847. Verify interchangeability with system specifications before substitution.
Key specifications for HH9661A20DTSBP: Filtration Rating in Microns: 25.0 ABSOLUTE; Filtering Element Quantity: 1; Filtering System for Which Designed: FULL FLOW; Media for Which Designed: ANY ACCEPTABLE. 5 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.