The Tank,oil,hydraulic System, cataloged under National Stock Number 2590-01-084-9542, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2590-01-084-9542 |
| Item Name | Tank,oil,hydraulic System |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Status | ACTIVE |
| Filler Cap | INCLUDED |
| Opening Thread Size | 1-5/8-12 |
| Filler Neck | INCLUDED |
| Line Connection Opening Location | BOTTOM |
| Length | 21.000 INCHES NOMINAL IN |
| Cap Type for Which Filler Opening Is Designed | THREADED |
| Outside Length | 1.000 INCHES NOMINAL IN |
| Line Connection Opening Quantity | 2 |
| Mounting Bracket Location | SIDE |
| Shape | RECTANGULAR |
| Outside Diameter | 3.000 INCHES NOMINAL IN |
| Line Opening Connection Method | THREADED |
| Thread Direction | RIGHT-HAND |
| Tank Capacity | 20.000 GALLON, US MEASURE |
| Height | 20.120 INCHES NOMINAL IN |
| Mounting Bracket | PROVIDED |
| Thread Size | 1-5/8-12 |
| Screw Thread Series Designator | UN |
| Width | 12.940 INCHES NOMINAL IN |
| Drain Opening | NOT INCLUDED |
| Opening Thread Series Designator | UN |
| Material | STEEL |
| Fabrication Method | WELDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| EWB7633-10 | D/9 Drawing number reference only Fruehauf Corp Fruehauf Trailer Opns |
| SMR25S | 3/9 Design control — primary reference Wabash National Corp |
| ECE007699001 | 5/9 Secondary reference Wabash National Corp |
| ECE007699001 | 5/9 Secondary reference Fruehauf Corp Fruehauf Trailer Opns |
NSN 2590-01-084-9542 is a Tank,oil,hydraulic System, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5340-01-096-2006. Verify interchangeability with system specifications before substitution.
Key specifications for 2590-01-084-9542: Filler Cap: INCLUDED; Opening Thread Size: 1-5/8-12; Filler Neck: INCLUDED; Line Connection Opening Location: BOTTOM. 23 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.