The Cylinder Head,diesel Engine, cataloged under National Stock Number 2815-01-573-6566, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-573-6566 |
| Primary Part Number | 223-9250 |
| Item Name | Cylinder Head,diesel Engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| 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 |
|---|---|
| 223-9250 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 20R-2648 | Finning (uk) Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 10077683 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 14KP220 | 5/9 Secondary reference Oshkosh Corp |
| 14KP220 | C/1 Advisory reference — outside the item-of-supply concept Oshkosh Defense Llc |
NSN 2815-01-573-6566 is a Cylinder Head,diesel Engine, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-573-6566 has 2 manufacturer part numbers on file: 223-9250 (Caterpillar Inc Div Caterpillar Defense), 20R-2648 (Finning (uk) Ltd).
Key specifications for 223-9250: End Item Identification: CHEMA4. 0 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.