The Accumulator,hydraulic, cataloged under National Stock Number 1650-00-688-0237, 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 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-688-0237 |
| Item Name | Accumulator,hydraulic |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| Bleeder Opening | NOT INCLUDED |
| Maximum Fluid Volume | 4.300 CUBIC INCHES |
| Cubic Capacity | 5.000 CUBIC INCHES |
| Port Screw Thread Diameter | 0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Port Screw Thread Series Designator | UNF |
| Shape | CYLINDRICAL |
| Operating Pressure | 600.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Port Screw Thread Quantity Per Inch | 20.000 |
| Separator Type | PISTON |
| Thread Class | 3A A |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 1356-583382 | 3/2 Design control — primary reference U.S. Government activity |
| 1356-583382 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
NSN 1650-00-688-0237 is a Accumulator,hydraulic, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-00-688-0237: Overall Height: 1.500 INCHES NOMINAL IN; Bleeder Opening: NOT INCLUDED; Maximum Fluid Volume: 4.300 CUBIC INCHES; Cubic Capacity: 5.000 CUBIC INCHES. 11 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 1650-00-688-0237 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.