The Filter Element,fluid, cataloged under National Stock Number 4330-01-455-9831, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 4330-01-455-9831 |
| Primary Part Number | ACB634F1 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| Body Diameter | 0.700 INCHES NOMINAL IN |
| Body Overall Length | 4.600 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL W/OUT CONTAINER |
| Filtering System for Which Designed | FULL FLOW |
| Media for Which Designed | AIR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4330-01-455-9831 is a Filter Element,fluid, manufactured by Pall Aeropower Corporation, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-455-9831 has 2 manufacturer part numbers on file: ACB634F1 (Pall Aeropower Corporation), 4900095 (Rtx Corporation Div Pratt & Whitney).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-457-9621. Verify interchangeability with system specifications before substitution.
Key specifications for ACB634F1: Body Diameter: 0.700 INCHES NOMINAL IN; Body Overall Length: 4.600 INCHES NOMINAL IN; Style Designator: CYLINDRICAL W/OUT CONTAINER; Filtering System for Which Designed: FULL FLOW. 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.