The Valve,poppet,engine, cataloged under National Stock Number 2815-00-352-3054, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Agco Corp Parts Opn. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-352-3054 |
| Primary Part Number | 4506449 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Agco Corp Parts Opn |
| Status | ACTIVE |
| Stem Diameter | 0.3090 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN |
| FSC Application Data | DIESEL ENGINE |
| Head Height | 0.1875 INCHES NOMINAL IN |
| Stem Length | 4.5680 INCHES MINIMUM AND 4.5830 INCHES MAXIMUM IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0156 INCHES NOMINAL IN |
| Neck Radius | 0.3750 INCHES NOMINAL IN |
| Groove Diameter | 0.2670 INCHES MINIMUM AND 0.2730 INCHES MAXIMUM IN |
| Metallic Hardness Rating and Location | 46.0 ROCKWELL C NOMINAL TIP |
| Metallic Hardness Rating and Location | 92.0 ROCKWELL B NOMINAL HEAD |
| Distance From Groove to Stem End | 0.2968 INCHES NOMINAL IN |
| Outside Diameter | 1.2760 INCHES MINIMUM AND 1.2860 INCHES MAXIMUM IN |
| Stem Style | GROOVED |
| Head Style | FLAT |
| Carbon Relief Groove | NOT INCLUDED |
| Chamfer Angle in Deg | 45.0 |
| Groove Width | 0.0950 INCHES MINIMUM AND 0.1050 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 |
| Part Number | Manufacturer |
|---|---|
| 4506449 PRIMARY | Agco Corp Parts Opn (USA) |
| Reference | Meaning |
|---|---|
| D1385 | 5/9 Secondary reference Dana Corp Engine Products Div |
| BK104 | 5/9 Secondary reference U.S. Government activity |
NSN 2815-00-352-3054 is a Valve,poppet,engine, manufactured by Agco Corp Parts Opn, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-352-3054 has 1 manufacturer part number on file: 4506449 (Agco Corp Parts Opn).
3 possible matches (shared part number, not a government interchangeability claim): 5331-00-949-9215, 4420-01-341-7068, 4310-01-341-7180. Verify interchangeability with system specifications before substitution.
Key specifications for 4506449: Stem Diameter: 0.3090 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN; FSC Application Data: DIESEL ENGINE; Head Height: 0.1875 INCHES NOMINAL IN; Stem Length: 4.5680 INCHES MINIMUM AND 4.5830 INCHES MAXIMUM IN. 17 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.