The Accumulator,hydraulic, cataloged under National Stock Number 2590-01-593-4071, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2590-01-593-4071 |
| Primary Part Number | 373-7018 |
| Item Name | Accumulator,hydraulic |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Overall Diameter | 8.740 INCHES NOMINAL IN |
| Cubic Capacity | 0.640 LITERS |
| Port Screw Thread Series Designator | UNF |
| Supplementary Features | ATTRIBUTES: UNCHARGED ACCUMULATOR; SAE NUMBER 12 MALE PORT (1-1/16-12UNF) |
| Shape | CYLINDRICAL |
| Operating Pressure | 3988.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| 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 |
|---|---|
| 373-7018 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 2986538 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| 3736963 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 2590-01-593-4071 is a Accumulator,hydraulic, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-593-4071 has 1 manufacturer part number on file: 373-7018 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 373-7018: Overall Diameter: 8.740 INCHES NOMINAL IN; Cubic Capacity: 0.640 LITERS; Port Screw Thread Series Designator: UNF; Supplementary Features: ATTRIBUTES: UNCHARGED ACCUMULATOR; SAE NUMBER 12 MALE PORT (1-1/16-12UNF). 6 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.