The Accumulator,hydraulic, cataloged under National Stock Number 2590-01-450-8950, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Parker-Hannifin Corporation Div Hydraulic Accumulator Division. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2590-01-450-8950 |
| Primary Part Number | A4N0116D1Q |
| Item Name | Accumulator,hydraulic |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Parker-Hannifin Corporation Div Hydraulic Accumulator Division |
| Status | ACTIVE |
| Bleeder Opening | NOT INCLUDED |
| Overall Diameter | 120.7 MILLIMETERS NOMINAL MM |
| Port Screw Thread Diameter | 1.625 INCHES NOMINAL IN |
| Shape | CYLINDRICAL |
| Thread Class | 2B |
| 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 |
|---|---|
| A4N0116D1Q PRIMARY | Parker-Hannifin Corporation Div Hydraulic Accumulator Division (USA) |
| 130-9241 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| A4N0116D1Q | 5/9 Secondary reference U.S. Government activity |
| A4N0116D1Q | 5/9 Secondary reference Parker Hannifin Corporation Div Hydraulic Accumulator Division |
NSN 2590-01-450-8950 is a Accumulator,hydraulic, manufactured by Parker-Hannifin Corporation Div Hydraulic Accumulator Division, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-450-8950 has 2 manufacturer part numbers on file: A4N0116D1Q (Parker-Hannifin Corporation Div Hydraulic Accumulator Division), 130-9241 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for A4N0116D1Q: Bleeder Opening: NOT INCLUDED; Overall Diameter: 120.7 MILLIMETERS NOMINAL MM; Port Screw Thread Diameter: 1.625 INCHES NOMINAL IN; Shape: CYLINDRICAL. 5 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.