The Head,fluid Filter, cataloged under National Stock Number 1650-01-284-2409, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-284-2409 |
| Primary Part Number | AA-3258-16Y74D1A |
| Item Name | Head,fluid Filter |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| Unable to Decode | UNABLE TO DECODE |
| Inlet Port Type | THREADED FEMALE, PLAIN |
| Unable to Decode | UNABLE TO DECODE |
| Inlet Nominal Thread Size | 1.000 INCHES IN |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Inlet Thread Series Designator | NPT |
| Unable to Decode | UNABLE TO DECODE |
| Material | ALUMINUM ALLOY |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AA-3258-16Y74D1A PRIMARY | Pall Aeropower Corporation (USA) |
| Reference | Meaning |
|---|---|
| AA-3258-16YD1A | 5/9 Secondary reference Pall Aeropower Corporation |
NSN 1650-01-284-2409 is a Head,fluid Filter, manufactured by Pall Aeropower Corporation, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-284-2409 has 1 manufacturer part number on file: AA-3258-16Y74D1A (Pall Aeropower Corporation).
Key specifications for AA-3258-16Y74D1A: Unable to Decode: UNABLE TO DECODE; Inlet Port Type: THREADED FEMALE, PLAIN; Unable to Decode: UNABLE TO DECODE; Inlet Nominal Thread Size: 1.000 INCHES IN. 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.
NSN 1650-01-284-2409 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.