The Valve,poppet,engine, cataloged under National Stock Number 2805-00-423-0908, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-423-0908 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Status | ACTIVE |
| Stem Diameter | 0.4688 INCHES NOMINAL IN |
| Head Height | 0.1875 INCHES NOMINAL IN |
| Second Groove Width | 0.0938 INCHES NOMINAL IN |
| Stem Length | 5.1250 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0313 INCHES NOMINAL IN |
| Neck Radius | 0.4375 INCHES NOMINAL IN |
| Minor Outside Diameter | 0.3750 INCHES NOMINAL IN |
| Outside Diameter | 1.5000 INCHES NOMINAL IN |
| Distance From First Groove to Stem End | 0.3125 INCHES NOMINAL IN |
| Stem Style | DOUBLE GROOVED |
| First Groove Diameter | 0.3281 INCHES NOMINAL IN |
| Head Style | FLAT |
| Distance From Second Groove to Stem End | 0.4375 INCHES NOMINAL IN |
| Carbon Relief Groove | NOT INCLUDED |
| Minor Diameter Length | 0.8750 INCHES NOMINAL IN |
| Chamfer Angle in Deg | 30.0 |
| Second Groove Diameter | 0.3281 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| First 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 |
| Reference | Meaning |
|---|---|
| C4TZ6505D | 3/9 Design control — primary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| C4TZ6505D | 5/9 Secondary reference Ford Motor Company |
NSN 2805-00-423-0908 is a Valve,poppet,engine, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
Key specifications for 2805-00-423-0908: Stem Diameter: 0.4688 INCHES NOMINAL IN; Head Height: 0.1875 INCHES NOMINAL IN; Second Groove Width: 0.0938 INCHES NOMINAL IN; Stem Length: 5.1250 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.