The Tappet,engine Poppet Valve, cataloged under National Stock Number 2805-00-451-4828, 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 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-451-4828 |
| Item Name | Tappet,engine Poppet Valve |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Status | ACTIVE |
| Cam End Diameter | 0.904 INCHES NOMINAL IN |
| Body Groove Width | 0.188 INCHES NOMINAL IN |
| Style Designator | CHAMFERED, CONCENTRIC HOLE PUSH ROD END |
| Distance From Body Groove Center to Cam End | 1.593 INCHES NOMINAL IN |
| Adjustability | NONADJUSTABLE |
| Body Groove Diameter | 0.797 INCHES NOMINAL IN |
| Size Designation | STANDARD |
| Casehardening Indicator | NOT CASEHARDENED |
| Distance From Body Hole Center to Cam End | 1.281 INCHES NOMINAL IN |
| Concentric Hole Diameter | 0.625 INCHES NOMINAL IN |
| Body Hole Diameter | 0.094 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Operation Method | HYDRAULIC |
| 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 |
|---|---|
| 387095C1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2805-00-451-4828 is a Tappet,engine Poppet Valve, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
Key specifications for 2805-00-451-4828: Cam End Diameter: 0.904 INCHES NOMINAL IN; Body Groove Width: 0.188 INCHES NOMINAL IN; Style Designator: CHAMFERED, CONCENTRIC HOLE PUSH ROD END; Overall Length: 1.900 INCHES NOMINAL IN. 13 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.