The Filter,fluid, cataloged under National Stock Number 4330-01-308-7981, 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 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-308-7981 |
| Primary Part Number | AD-3258-8Y59 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| FSC Application Data | CH-53E HELICOPTER |
| Design Type | REUSABLE |
| Body Width | 1.812 INCHES NOMINAL IN |
| Body Height | 8.660 INCHES NOMINAL IN |
| Style Designator | HIGH PRESSURE BOLTED SHELL |
| Body Length | 3.062 INCHES NOMINAL IN |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Material | STEEL CORROSION RESISTING BODY |
| Mounting Type | THREADED HOLE SIDE |
| 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 |
|---|---|
| AD-3258-8Y59 PRIMARY | Pall Aeropower Corporation (USA) |
| 65664-09809-102 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 4330-01-308-7981 is a Filter,fluid, manufactured by Pall Aeropower Corporation, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-308-7981 has 2 manufacturer part numbers on file: AD-3258-8Y59 (Pall Aeropower Corporation), 65664-09809-102 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for AD-3258-8Y59: FSC Application Data: CH-53E HELICOPTER; Design Type: REUSABLE; Body Width: 1.812 INCHES NOMINAL IN; Body Height: 8.660 INCHES NOMINAL IN. 9 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.