The Tank,oil,hydraulic System, cataloged under National Stock Number 2590-01-239-1831, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2590-01-239-1831 |
| Primary Part Number | 12349954 |
| Item Name | Tank,oil,hydraulic System |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Filler Cap | INCLUDED |
| Filler Neck | NOT INCLUDED |
| Length | 7.500 INCHES NOMINAL IN |
| Cap Type for Which Filler Opening Is Designed | THREADED |
| Mounting Bracket Location | SIDE |
| Shape | RECTANGULAR |
| Thread Direction | RIGHT-HAND |
| Height | 11.250 INCHES NOMINAL IN |
| Mounting Bracket | PROVIDED |
| Thread Size | 3/4-16 |
| Screw Thread Series Designator | UNF |
| Width | 5.000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 12349954 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 2590012391831 | 5/9 Secondary reference E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 2590-01-239-1831 is a Tank,oil,hydraulic System, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-239-1831 has 1 manufacturer part number on file: 12349954 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12349954: Filler Cap: INCLUDED; Filler Neck: NOT INCLUDED; Length: 7.500 INCHES NOMINAL IN; Cap Type for Which Filler Opening Is Designed: THREADED. 14 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.