NSN 2805-00-520-2421
Part Details | ENGINE POPPET VALVE
2805-00-520-2421 A mushroom or tulip-shaped item having a circular head with a conical face and an extended stem used to regulate the flow of incoming fuel-air mixture or air into the combustion chamber or exhaust gases from the combustion chamber of a reciprocating internal combustion engine.
Alternate Parts: 4042, AE78C, 2805-00-520-2421, 00-520-2421, 2805005202421, 005202421
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 28 | JAN 01, 1963 | 00-520-2421 | 15884 ( VALVE, POPPET, ENGINE ) |
REFERENCE DRAWINGS & PICTURES
RAISED FACE
GROOVED
Cross Reference | NSN 2805-00-520-2421
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 4042 | 80900 | EATON CORP SPRING DIV |
| AE78C | 66289 | WISCONSIN MOTORS LLC |
Technical Data | NSN 2805-00-520-2421
| Characteristic | Specifications |
|---|---|
| MATERIAL AND LOCATION | STEEL OVERALL |
| HEAD STYLE | RAISED FACE |
| HEAD HEIGHT | 0.1875 INCHES MINIMUM AND 0.2025 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.3090 INCHES MINIMUM AND 1.3700 INCHES MAXIMUM |
| NECK RADIUS | 0.2500 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 7.0 |
| STEM STYLE | GROOVED |
| GROOVE DIAMETER | 0.2670 INCHES MINIMUM AND 0.2730 INCHES MAXIMUM |
| CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| GROOVE WIDTH | 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM |
| STEM LENGTH | 4.1010 INCHES NOMINAL |
| STEM DIAMETER | 0.3080 INCHES MINIMUM AND 0.3090 INCHES MAXIMUM |
| DISTANCE FROM GROOVE TO STEM END | 0.2400 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM |
| CHAMFER ANGLE IN DEG | 45.0 |
| CARBON RELIEF GROOVE | INCLUDED |