The Rocker Arm,engine Poppet Valve, cataloged under National Stock Number 2815-00-980-2267, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Komatsu America Corp.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-980-2267 |
| Primary Part Number | 278304R21 |
| Item Name | Rocker Arm,engine Poppet Valve |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Komatsu America Corp. |
| 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 |
|---|---|
| 278304R21 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 278304R21 | 3/9 Design control — primary reference Komatsu American Intl Co |
| 278304R21 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 278304R21 | 5/9 Secondary reference U.S. Government activity |
NSN 2815-00-980-2267 is a Rocker Arm,engine Poppet Valve, manufactured by Komatsu America Corp., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-980-2267 has 1 manufacturer part number on file: 278304R21 (Komatsu America Corp.).
Key specifications for 278304R21: Special Features: STAMPED STEEL AND SPOT WELDED CONSTRUCTION WITH ROCKER SHAFT BUSHING AND VALVE ADJUSTING SCREW; 0.750 IN. BORE DIA; 1.440 IN. FROM CENTER OF SHAFT BORE TO CENTER OF VALVE CONTACT SURFACE; 1.000 IN. OVER ALL W; 3.608 IN. OVER ALL LG 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.