The Valve,poppet,engine, cataloged under National Stock Number 2805-01-022-4254, 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 15 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-01-022-4254 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Status | ACTIVE |
| Stem Diameter | 0.3750 INCHES NOMINAL IN |
| Head Height | 0.1750 INCHES NOMINAL IN |
| Stem Length | 5.7900 INCHES NOMINAL IN |
| Seat Angle in Deg | 30.0 |
| Chamfer Length | 0.0310 INCHES NOMINAL IN |
| Neck Radius | 1.5750 INCHES NOMINAL IN |
| Groove Diameter | 0.3330 INCHES NOMINAL IN |
| Distance From Groove to Stem End | 0.2810 INCHES NOMINAL IN |
| Outside Diameter | 1.9750 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 | 0.1000 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 |
|---|---|
| 675046C3 | 5/9 Secondary reference Komatsu American Intl Co |
| 675046C4 | 3/9 Design control — primary reference Komatsu American Intl Co |
| 675046C2 | 5/9 Secondary reference U.S. Government activity |
| 675046C2 | 5/9 Secondary reference Komatsu American Intl Co |
| 67504C4 | 5/9 Secondary reference Cnh Industrial America Llc Dba Case New Holland Div Case Wichita Plant |
| 67504C4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2805-01-022-4254 is a Valve,poppet,engine, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
Key specifications for 2805-01-022-4254: Stem Diameter: 0.3750 INCHES NOMINAL IN; Head Height: 0.1750 INCHES NOMINAL IN; Stem Length: 5.7900 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.