The Accumulator,hydraulic, cataloged under National Stock Number 1650-01-059-4641, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-059-4641 |
| Item Name | Accumulator,hydraulic |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT HYDRAULIC SYSTEM |
| Overall Diameter | 3.812 INCHES NOMINAL IN |
| Cubic Capacity | 200.000 CUBIC INCHES |
| Port Screw Thread Diameter | 0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Port Screw Thread Series Designator | UNF |
| Shape | CYLINDRICAL |
| Operating Pressure | 3000.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Port Screw Thread Quantity Per Inch | 20.000 AND 16.000 |
| Separator Type | PISTON |
| Thread Class | 3B |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 08 8425-030 | C/1 Advisory reference — outside the item-of-supply concept Tactair Fluid Controls Inc |
| MIL-A-8897 | 4/1 Identification reference U.S. Government activity |
| 08 8425-030 | 3/9 Design control — primary reference U.S. Government activity |
NSN 1650-01-059-4641 is a Accumulator,hydraulic, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-01-059-4641: FSC Application Data: AIRCRAFT HYDRAULIC SYSTEM; Overall Diameter: 3.812 INCHES NOMINAL IN; Cubic Capacity: 200.000 CUBIC INCHES; Port Screw Thread Diameter: 0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN. 10 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 1650-01-059-4641 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.