The Rocker Arm,engine Poppet Valve, cataloged under National Stock Number 2815-01-340-4091, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2815-01-340-4091 |
| Primary Part Number | 9319504 |
| Item Name | Rocker Arm,engine Poppet Valve |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc |
| 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 |
|---|---|
| 9319504 PRIMARY | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (USA) |
| Reference | Meaning |
|---|---|
| 9319504 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 2815-01-340-4091 is a Rocker Arm,engine Poppet Valve, manufactured by Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-340-4091 has 1 manufacturer part number on file: 9319504 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc).
1 possible match (shared part number, not a government interchangeability claim): 2815-01-695-9867. Verify interchangeability with system specifications before substitution.
Key specifications for 9319504: Special Features: W/CENTER HOLE TO ACCOMMODATE A SHAFT,CROSS ARM TO ACCOMMODATE AN ADJUSTING SCREW AND DOWEL PIN,OPPOSITE END A PIN. 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.