The Cover,timing Gear,internal Combu, cataloged under National Stock Number 2815-01-099-3090, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Perkins Engines Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2815-01-099-3090 |
| Primary Part Number | 4142A048 |
| Item Name | Cover,timing Gear,internal Combu |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Perkins Engines Inc |
| Status | ACTIVE |
| General Characteristics Item Description | IRREGULAR SHAPE; W/MOUNTING HOLES; USED ON TIMING GEAR |
| 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 |
|---|---|
| 4142A048 PRIMARY | Perkins Engines Inc (USA) |
| 168891 | Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA) |
| Reference | Meaning |
|---|---|
| 37166411 | 5/9 Secondary reference Perkins Engines Inc |
| 168891 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
NSN 2815-01-099-3090 is a Cover,timing Gear,internal Combu, manufactured by Perkins Engines Inc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-099-3090 has 2 manufacturer part numbers on file: 4142A048 (Perkins Engines Inc), 168891 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling).
1 possible match (shared part number, not a government interchangeability claim): 6685-01-438-8999. Verify interchangeability with system specifications before substitution.
Key specifications for 4142A048: General Characteristics Item Description: IRREGULAR SHAPE; W/MOUNTING HOLES; USED ON TIMING GEAR; End Item Identification: 3930-01-045-5824. 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.