The Valve,poppet,engine, cataloged under National Stock Number 2815-01-178-6428, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-178-6428 |
| Primary Part Number | P12614289 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Head Height | 0.3900 INCHES NOMINAL IN |
| Stem Length | 22.2040 INCHES NOMINAL IN |
| Neck Radius | 1.5000 INCHES NOMINAL IN |
| Metallic Hardness Rating and Location | 45.0 ROCKWELL C MINIMUM TIP AND 50.0 ROCKWELL C MAXIMUM TIP |
| Outside Diameter | 4.9170 INCHES NOMINAL IN |
| Head Style | FLAT |
| Material | NICKEL ALLOY OVERALL |
| 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 |
|---|---|
| P12614289 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| P12614289 | 5/9 Secondary reference U.S. Government activity |
NSN 2815-01-178-6428 is a Valve,poppet,engine, manufactured by Fairbanks Morse, Llc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-178-6428 has 1 manufacturer part number on file: P12614289 (Fairbanks Morse, Llc).
Key specifications for P12614289: Head Height: 0.3900 INCHES NOMINAL IN; Stem Length: 22.2040 INCHES NOMINAL IN; Neck Radius: 1.5000 INCHES NOMINAL IN; Metallic Hardness Rating and Location: 45.0 ROCKWELL C MINIMUM TIP AND 50.0 ROCKWELL C MAXIMUM TIP. 7 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.