The Valve,poppet,engine, cataloged under National Stock Number 2805-01-019-2103, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2805-01-019-2103 |
| Primary Part Number | 340226 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Stem Diameter | 0.3720 INCHES NOMINAL IN |
| Head Height | 0.2025 INCHES NOMINAL IN |
| Second Groove Width | 0.1050 INCHES NOMINAL IN |
| Stem Length | 4.7240 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0156 INCHES NOMINAL IN |
| Neck Radius | 0.3750 INCHES NOMINAL IN |
| Minor Outside Diameter | 0.3410 INCHES NOMINAL IN |
| Outside Diameter | 1.5020 INCHES NOMINAL IN |
| Distance From First Groove to Stem End | 0.2920 INCHES NOMINAL IN |
| Stem Style | DOUBLE GROOVED |
| First Groove Diameter | 0.3025 INCHES NOMINAL IN |
| Head Style | FLAT |
| Distance From Second Groove to Stem End | 0.5400 INCHES NOMINAL IN |
| Carbon Relief Groove | NOT INCLUDED |
| Minor Diameter Length | 0.7500 INCHES NOMINAL IN |
| Chamfer Angle in Deg | 45.0 |
| Second Groove Diameter | 0.3025 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| First Groove Width | 0.1050 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 |
|---|---|
| 340226 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 340226 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 2805-01-019-2103 is a Valve,poppet,engine, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-01-019-2103 has 1 manufacturer part number on file: 340226 (General Motors Llc Dba General Motors Llc).
Key specifications for 340226: Stem Diameter: 0.3720 INCHES NOMINAL IN; Head Height: 0.2025 INCHES NOMINAL IN; Second Groove Width: 0.1050 INCHES NOMINAL IN; Stem Length: 4.7240 INCHES NOMINAL 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.