The Filter,fluid, cataloged under National Stock Number 1650-01-276-3953, 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 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1650-01-276-3953 |
| Primary Part Number | AD-A767-4 |
| Item Name | Filter,fluid |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Filtration Rating in Microns | 15.0 ABSOLUTE |
| Distance Between Mounting Hole Centers | 1.250 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 0.4372 INCHES IN |
| Drop Pressure | ERR-060 |
| First Intake Thread Series Designator | UNF |
| Design Type | REUSABLE |
| Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| Body Width | 1.880 INCHES NOMINAL IN |
| Body Height | 1.250 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL TUBE UPPER SIDE |
| First Intake Thread Class | 3B |
| Mounting Hole Diameter | 0.261 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN |
| Operating Pressure | 900.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Filtering Element Quantity | 1 |
| Body Length | 4.780 INCHES MAXIMUM IN |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Material | ALUMINUM ALLOY 2024 SEDIMENT BOWL |
| Mounting Type | UNTHREADED HOLE HEAD |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SOURCE CONTROL DWG 206-076-034-101 |
| 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-A767-4 | Pall Aeropower Corporation (USA) |
| Reference | Meaning |
|---|---|
| 206-076-034-101 | 1/3 Source control — Government-approved source U.S. Government activity |
NSN 1650-01-276-3953 is a Filter,fluid, manufactured by Pall Aeropower Corporation, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-276-3953 has 1 manufacturer part number on file: AD-A767-4 (Pall Aeropower Corporation).
Key specifications for AD-A767-4: Mounting Hole Quantity: 2; Filtration Rating in Microns: 15.0 ABSOLUTE; Distance Between Mounting Hole Centers: 1.250 INCHES NOMINAL IN; First Intake Nominal Thread Size: 0.4372 INCHES IN. 23 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.