The Tappet,engine Poppet Valve, cataloged under National Stock Number 2805-00-148-7445, 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 22 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2805-00-148-7445 |
| Item Name | Tappet,engine Poppet Valve |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Status | ACTIVE |
| Cam End Diameter | 1.245 INCHES NOMINAL IN |
| Cup Spherical Diameter | 0.500 INCHES NOMINAL IN |
| Concentric Hole Depth | 3.438 INCHES NOMINAL IN |
| Body Outside Diameter | 0.719 INCHES NOMINAL IN |
| Cup End Groove Width | 0.280 INCHES NOMINAL IN |
| Cup Spherical Radius | 0.250 INCHES NOMINAL IN |
| Cup Depth | 0.438 INCHES NOMINAL IN |
| Body Groove Width | 0.343 INCHES NOMINAL IN |
| Style Designator | TWO PIECE, CUPPED PUSH ROD END |
| Distance From Body Groove Center to Cam End | 1.562 INCHES NOMINAL IN |
| Counterbore Depth | 2.030 INCHES NOMINAL IN |
| Cup End Groove Diameter | 0.700 INCHES NOMINAL IN |
| Adjustability | NONADJUSTABLE |
| Counterbore Diameter | 0.594 INCHES NOMINAL IN |
| Body Groove Diameter | 0.700 INCHES NOMINAL IN |
| Cam End Height | 0.188 INCHES NOMINAL IN |
| Size Designation | STANDARD |
| Casehardening Indicator | CASEHARDENED |
| Concentric Hole Diameter | 0.480 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Casehardened Location | OVERALL |
| Distance From Cup End Groove Center to Cup End | 0.938 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 |
|---|---|
| 646847 | 3/9 Design control — primary reference Teledyne Industries Inc Teledyne Power Systems Div |
| 637270 | 5/9 Secondary reference Teledyne Industries Inc Teledyne Power Systems Div |
NSN 2805-00-148-7445 is a Tappet,engine Poppet Valve, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
Key specifications for 2805-00-148-7445: Cam End Diameter: 1.245 INCHES NOMINAL IN; Cup Spherical Diameter: 0.500 INCHES NOMINAL IN; Concentric Hole Depth: 3.438 INCHES NOMINAL IN; Body Outside Diameter: 0.719 INCHES NOMINAL IN. 22 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.