The Valve,poppet,engine, cataloged under National Stock Number 2815-00-203-0992, 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 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2815-00-203-0992 |
| Primary Part Number | 4506505 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Agco Corp Parts Opn |
| Status | ACTIVE |
| Stem Diameter | 0.3125 INCHES NOMINAL IN |
| Head Height | 0.1875 INCHES NOMINAL IN |
| Stem Length | 5.2500 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0156 INCHES NOMINAL IN |
| Neck Radius | 0.3440 INCHES NOMINAL IN |
| Groove Diameter | 0.2656 INCHES NOMINAL IN |
| Distance From Groove to Stem End | 0.3125 INCHES NOMINAL IN |
| Outside Diameter | 1.3750 INCHES NOMINAL IN |
| Stem Style | GROOVED |
| Head Style | FLAT |
| Carbon Relief Groove | NOT INCLUDED |
| Chamfer Angle in Deg | 45.0 |
| Material | STEEL OVERALL |
| Groove Width | 0.1250 INCHES NOMINAL 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 |
|---|---|
| V2570 | Trw Inc Trw Intl Trade Government Sales Dept (USA) |
| 4506505 PRIMARY | Agco Corp Parts Opn (USA) |
| Reference | Meaning |
|---|---|
| 6-4506505 | 5/9 Secondary reference Lift Parts Mfg Co Inc Div of Echlin Mfg Co the |
| 6-4506505 | C/1 Advisory reference — outside the item-of-supply concept Tvh Parts Co. |
| V-1915N | 5/9 Secondary reference Mcquay-Norris Inc Oem Div an Skf Industries Co |
| I-625 | 5/9 Secondary reference U.S. Government activity |
NSN 2815-00-203-0992 is a Valve,poppet,engine, manufactured by Agco Corp Parts Opn, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-203-0992 has 2 manufacturer part numbers on file: V2570 (Trw Inc Trw Intl Trade Government Sales Dept), 4506505 (Agco Corp Parts Opn).
1 possible match (shared part number, not a government interchangeability claim): 5999-01-450-0920. Verify interchangeability with system specifications before substitution.
Key specifications for 4506505: Stem Diameter: 0.3125 INCHES NOMINAL IN; Head Height: 0.1875 INCHES NOMINAL IN; Stem Length: 5.2500 INCHES NOMINAL IN; Seat Angle in Deg: 45.0. 15 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.