The Valve,poppet,engine, cataloged under National Stock Number 2815-00-920-6837, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-920-6837 |
| Primary Part Number | 74025179 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Agco Corp Parts Opn |
| Status | ACTIVE |
| Stem Diameter | 0.3750 INCHES NOMINAL IN |
| Head Height | 0.1560 INCHES NOMINAL IN |
| Stem Length | 5.8750 INCHES NOMINAL IN |
| Seat Angle in Deg | 30.0 |
| Chamfer Length | 0.3750 INCHES NOMINAL IN |
| Neck Radius | 0.3750 INCHES NOMINAL IN |
| Groove Diameter | 0.3310 INCHES NOMINAL IN |
| Distance From Groove to Stem End | 0.4060 INCHES NOMINAL IN |
| Outside Diameter | 1.8430 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 | 0.0940 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 |
|---|---|
| 74025179 PRIMARY | Agco Corp Parts Opn (USA) |
| 74025179 | Dipaco, Inc. L (USA) |
| Reference | Meaning |
|---|---|
| 4025179 | C/1 Advisory reference — outside the item-of-supply concept Minnpar, Llc Dba Minnpar |
| 4025179 | 5/9 Secondary reference Barber-Greene Co |
| 4025179 | 5/9 Secondary reference Agco Corp Parts Opn |
NSN 2815-00-920-6837 is a Valve,poppet,engine, manufactured by Agco Corp Parts Opn, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-920-6837 has 2 manufacturer part numbers on file: 74025179 (Agco Corp Parts Opn), 74025179 (Dipaco, Inc. L).
Key specifications for 74025179: Stem Diameter: 0.3750 INCHES NOMINAL IN; Head Height: 0.1560 INCHES NOMINAL IN; Stem Length: 5.8750 INCHES NOMINAL IN; Seat Angle in Deg: 30.0. 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.