The Filter Element,fluid, cataloged under National Stock Number 1650-01-074-1054, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-074-1054 |
| Primary Part Number | AC-900F-425Y1 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| Filtering Media Design | PLEATED SINGLE FILTERING MEDIA RESPONSE |
| Body Diameter | 0.630 INCHES NOMINAL IN |
| Body Overall Length | 2.480 INCHES NOMINAL IN |
| Filtration Rating in Microns | 25.0 ABSOLUTE |
| Flow Direction | OUTSIDE IN |
| Drop Pressure | ERR-060 |
| Design Type | NONREUSABLE |
| Style Designator | CYLINDRICAL W/ CONTAINER (RIGID) |
| Body Inside Diameter | 0.500 INCHES NOMINAL IN |
| Differential Pressure | ERR-060 |
| Media for Which Designed | AIR |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 21-16035 | Pti Technologies Inc. (USA) |
| AC-900F-425Y1 PRIMARY | Pall Aeropower Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1650PL1598072 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C7896-20 | 7/2 Vendor item drawing reference U.S. Government activity |
| 21-16035 | 5/2 Secondary reference U.S. Government activity |
| 21-16035 | 5/9 Secondary reference U.S. Government activity |
| 1650PL0663195 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 1650-01-074-1054 is a Filter Element,fluid, manufactured by Pall Aeropower Corporation, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-074-1054 has 2 manufacturer part numbers on file: 21-16035 (Pti Technologies Inc.), AC-900F-425Y1 (Pall Aeropower Corporation).
Key specifications for AC-900F-425Y1: Filtering Media Design: PLEATED SINGLE FILTERING MEDIA RESPONSE; Body Diameter: 0.630 INCHES NOMINAL IN; Body Overall Length: 2.480 INCHES NOMINAL IN; Filtration Rating in Microns: 25.0 ABSOLUTE. 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.