The Filter Element,fluid, cataloged under National Stock Number 4330-01-409-0085, 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 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-409-0085 |
| Primary Part Number | 25972-8-105 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| Filtering Media Design | SINTERED OR WOVEN SINGLE FILTERING MEDIA RESPONSE |
| Body Diameter | 0.380 INCHES NOMINAL IN |
| Body Overall Length | 1.370 INCHES NOMINAL IN |
| Flow Direction | INSIDE OUT |
| Design Type | REUSABLE |
| Style Designator | CYLINDRICAL W/ CONTAINER (RIGID) AND MOUNTING FLANGE |
| Body Inside Diameter | 0.331 INCHES NOMINAL IN |
| Filtering System for Which Designed | FULL FLOW |
| Mounting Flange Thickness | 0.010 INCHES NOMINAL IN |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Mounting Flange Diameter | 0.610 INCHES NOMINAL IN |
| Material | STEEL COMP 304L 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 |
|---|---|
| 33-AFIL1001 | Rix Industries (USA) |
| 25972-8-105 PRIMARY | Pall Aeropower Corporation (USA) |
| Reference | Meaning |
|---|---|
| 25972-8-105 | 5/9 Secondary reference Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
| 25972 | D/9 Drawing number reference only Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
NSN 4330-01-409-0085 is a Filter Element,fluid, manufactured by Pall Aeropower Corporation, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-409-0085 has 2 manufacturer part numbers on file: 33-AFIL1001 (Rix Industries), 25972-8-105 (Pall Aeropower Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 6515-01-473-0936, 1560-01-722-7869, 1560-01-722-8659. Verify interchangeability with system specifications before substitution.
Key specifications for 25972-8-105: Filtering Media Design: SINTERED OR WOVEN SINGLE FILTERING MEDIA RESPONSE; Body Diameter: 0.380 INCHES NOMINAL IN; Body Overall Length: 1.370 INCHES NOMINAL IN; Flow Direction: INSIDE OUT. 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.