The Valve,poppet,engine, cataloged under National Stock Number 2815-00-271-9079, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-271-9079 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Status | ACTIVE |
| Stem Diameter | 0.4960 INCHES MINIMUM AND 0.4970 INCHES MAXIMUM IN |
| FSC Application Data | DIESEL ENGINE |
| Head Height | 0.2120 INCHES MINIMUM AND 0.2270 INCHES MAXIMUM IN |
| Stem Length | 6.8450 INCHES MINIMUM AND 6.8850 INCHES MAXIMUM IN |
| Seat Angle in Deg | 30.0 |
| Chamfer Length | 0.0200 INCHES MINIMUM AND 0.0400 INCHES MAXIMUM IN |
| Neck Radius | 0.6875 INCHES NOMINAL IN |
| Groove Diameter | 0.4020 INCHES MINIMUM AND 0.4060 INCHES MAXIMUM IN |
| Metallic Hardness Rating and Location | 18.0 ROCKWELL C NOMINAL HEAD |
| Metallic Hardness Rating and Location | 52.0 ROCKWELL C MINIMUM STEM |
| Metallic Hardness Rating and Location | 52.0 ROCKWELL C NOMINAL TIP |
| Metallic Hardness Rating and Location | 58.0 ROCKWELL C MAXIMUM STEM |
| Distance From Groove to Stem End | 0.1860 INCHES NOMINAL IN |
| Outside Diameter | 1.9275 INCHES MINIMUM AND 1.9375 INCHES MAXIMUM IN |
| Stem Style | GROOVED |
| Head Style | MUSHROOM |
| Departure From Cited Document | MILE11276 PARAGRAPH 3.8.3 VALVES |
| Carbon Relief Groove | NOT INCLUDED |
| Chamfer Angle in Deg | 45.0 |
| Groove Width | 0.3130 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 69032 | 3/9 Design control — primary reference Cummins Inc. |
| H9167X1 | 5/9 Secondary reference Cummins Inc. |
| QPL11276 | 5/1 Secondary reference U.S. Government activity |
| MIL-E-11276 | 4/1 Identification reference U.S. Government activity |
| 9167X1 | 5/9 Secondary reference Cummins Inc. |
NSN 2815-00-271-9079 is a Valve,poppet,engine, classified under FSC 2815, Diesel Engines and Components. Status: active.
Key specifications for 2815-00-271-9079: Stem Diameter: 0.4960 INCHES MINIMUM AND 0.4970 INCHES MAXIMUM IN; FSC Application Data: DIESEL ENGINE; Head Height: 0.2120 INCHES MINIMUM AND 0.2270 INCHES MAXIMUM IN; Stem Length: 6.8450 INCHES MINIMUM AND 6.8850 INCHES MAXIMUM IN. 20 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.