The Housing,oil Pump Assembly,engine, cataloged under National Stock Number 2815-00-463-5877, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2815-00-463-5877 |
| Primary Part Number | 8344562 |
| Item Name | Housing,oil Pump Assembly,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Hardness Rating | 170.0 BRINELL MINIMUM AND 229.0 BRINELL MAXIMUM HOUSING |
| Diameter | 4.000 INCHES NOMINAL IN |
| Material | IRON CAST OVERALL |
| 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 |
|---|---|
| 8893687 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| 8344562 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 2520004635877 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 2815-00-463-5877 is a Housing,oil Pump Assembly,engine, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-463-5877 has 2 manufacturer part numbers on file: 8893687 (Allison Transmission Inc Dba Allison Transmission, Inc), 8344562 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8344562: Hardness Rating: 170.0 BRINELL MINIMUM AND 229.0 BRINELL MAXIMUM HOUSING; Diameter: 4.000 INCHES NOMINAL IN; Overall Width: 1.753 INCHES NOMINAL IN; Special Features: W/4 MTG HOLES,0.406 IN. DIA IN. 3 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.