The Housing,hydraulic,gear Pump-Moto, cataloged under National Stock Number 2590-00-566-3832, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2590-00-566-3832 |
| Primary Part Number | 7974543 |
| Item Name | Housing,hydraulic,gear Pump-Moto |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| General Characteristics Item Description | C/O MOUNT,PN 7973716;PIN,PN 585994;STUD (2),PN 8734437 |
| 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 |
|---|---|
| 7974543 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| Reference | Meaning |
|---|---|
| 1015005663832 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| CPT18 | 5/9 Secondary reference Cadillac Gage Textron Inc. |
NSN 2590-00-566-3832 is a Housing,hydraulic,gear Pump-Moto, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-00-566-3832 has 1 manufacturer part number on file: 7974543 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
1 possible match (shared part number, not a government interchangeability claim): 6130-01-442-0678. Verify interchangeability with system specifications before substitution.
Key specifications for 7974543: General Characteristics Item Description: C/O MOUNT,PN 7973716;PIN,PN 585994;STUD (2),PN 8734437; End Item Identification: 20MM M163A2 MM. 1 specification is 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.