The Cylinder Head,diesel Engine, cataloged under National Stock Number 2815-01-678-5342, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is General Motors Corp. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-678-5342 |
| Primary Part Number | 12690607 |
| Item Name | Cylinder Head,diesel Engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Usage Design | VEHICULAR |
| Cylinder Quantity | 8 |
| 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 |
|---|---|
| 12690607 PRIMARY | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 4385401 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
| 12646217 | 5/9 Secondary reference General Motors Corp |
NSN 2815-01-678-5342 is a Cylinder Head,diesel Engine, manufactured by General Motors Corp, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-678-5342 has 1 manufacturer part number on file: 12690607 (General Motors Corp).
Key specifications for 12690607: Usage Design: VEHICULAR; Special Features: DIESEL ENGINE 6.6L; Cylinder Quantity: 8; Part Name Assigned by Controlling Agency: CYLINDER HEAD. 2 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.