The Rocker Arm,engine Poppet Valve, cataloged under National Stock Number 2815-00-337-1527, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Hatch & Kirk, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2815-00-337-1527 |
| Primary Part Number | 3307103 |
| Item Name | Rocker Arm,engine Poppet Valve |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Hatch & Kirk, Inc. |
| 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 |
|---|---|
| 3307103 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3321404 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| 3321404 | 5/9 Secondary reference Hatch & Kirk, Inc. |
NSN 2815-00-337-1527 is a Rocker Arm,engine Poppet Valve, manufactured by Hatch & Kirk, Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-337-1527 has 1 manufacturer part number on file: 3307103 (Hatch & Kirk, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5841-00-972-1979. Verify interchangeability with system specifications before substitution.
Key specifications for 3307103: Special Features: STEEL,9 IN. OVERALL LENGTH,3.250 IN. OVERALL HEIGHT,1.500 IN. OVERALL WIDTH,BRASS BEARING 1.750 IN. INSIDE DIAMETER,WITH ADJUSTMENT SCREW IN. 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.