The Cover,engine Poppet Valve Rocker, cataloged under National Stock Number 2815-01-421-8540, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-421-8540 |
| Item Name | Cover,engine Poppet Valve Rocker |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Status | ACTIVE |
| Engine Design Control Activity | 89749 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 907482 | 5/9 Secondary reference U.S. Government activity |
| TM27A06101 | 3/9 Design control — primary reference Wis Con Total Power Corp Dba Power Center the |
| 910004 | 5/2 Secondary reference U.S. Government activity |
| TM27A00610 | 5/9 Secondary reference Wis Con Total Power Corp Dba Power Center the |
NSN 2815-01-421-8540 is a Cover,engine Poppet Valve Rocker, classified under FSC 2815, Diesel Engines and Components. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 3040-01-432-8119, 5970-01-545-7802, 4720-01-721-2261. Verify interchangeability with system specifications before substitution.
Key specifications for 2815-01-421-8540: Engine Design Control Activity: 89749; End Item Identification: 3930-01-384-5310. 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.