The Filter Element,fluid, cataloged under National Stock Number 2945-00-445-5554, is classified within Federal Supply Class 2945 (Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving) of the Engine Accessories group. The manufacturer of record is Pall Aeropower Corporation. Government technical data includes 7 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 | 2945-00-445-5554 |
| Primary Part Number | AD9215F2021 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 2945 / 29 — Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| Body Diameter | 3.900 INCHES MINIMUM AND 3.925 INCHES MAXIMUM IN |
| FSC Application Data | TURBO PROP ENGINE,AIRCRAFT |
| Body Overall Length | 6.200 INCHES MINIMUM AND 6.250 INCHES MAXIMUM IN |
| Flow Direction | OUTSIDE IN |
| Style Designator | CYLINDRICAL W/OUT CONTAINER |
| Body Inside Diameter | 1.520 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| 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 |
|---|---|
| 6874649 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| AD9215F2021 PRIMARY | Pall Aeropower Corporation (USA) |
NSN 2945-00-445-5554 is a Filter Element,fluid, manufactured by Pall Aeropower Corporation, classified under FSC 2945, Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving. Status: active.
NSN 2945-00-445-5554 has 2 manufacturer part numbers on file: 6874649 (Allison Transmission Inc Dba Allison Transmission, Inc), AD9215F2021 (Pall Aeropower Corporation).
1 possible match (shared part number, not a government interchangeability claim): 1680-01-604-7473. Verify interchangeability with system specifications before substitution.
Key specifications for AD9215F2021: Body Diameter: 3.900 INCHES MINIMUM AND 3.925 INCHES MAXIMUM IN; FSC Application Data: TURBO PROP ENGINE,AIRCRAFT; Body Overall Length: 6.200 INCHES MINIMUM AND 6.250 INCHES MAXIMUM IN; Flow Direction: OUTSIDE IN. 7 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.