The Accumulator,hydraulic, cataloged under National Stock Number 2590-01-367-7591, 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2590-01-367-7591 |
| Primary Part Number | 856852 |
| Item Name | Accumulator,hydraulic |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Parker-Hannifin Corporation Div Hydraulic Accumulator Division |
| Status | ACTIVE |
| Bleeder Opening | INCLUDED |
| Overall Diameter | 6.750 INCHES NOMINAL IN |
| Port Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Shape | CYLINDRICAL |
| Port Screw Thread Quantity Per Inch | 1.625 |
| Separator Type | BLADDER |
| Thread Class | 2B |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 856852 PRIMARY | Parker-Hannifin Corporation Div Hydraulic Accumulator Division (USA) |
| Reference | Meaning |
|---|---|
| SW24128 | 5/2 Secondary reference U.S. Government activity |
NSN 2590-01-367-7591 is a Accumulator,hydraulic, manufactured by Parker-Hannifin Corporation Div Hydraulic Accumulator Division, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-367-7591 has 1 manufacturer part number on file: 856852 (Parker-Hannifin Corporation Div Hydraulic Accumulator Division).
Key specifications for 856852: Bleeder Opening: INCLUDED; Overall Diameter: 6.750 INCHES NOMINAL IN; Port Screw Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Shape: CYLINDRICAL. 7 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.