NSN 2815-01-057-6639
Part Details | ENGINE POPPET VALVE
2815-01-057-6639 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: 3803515, 207241, 2815-01-057-6639, 01-057-6639, 2815010576639, 010576639
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 28 | MAR 17, 1978 | 01-057-6639 | 15884 ( VALVE, POPPET, ENGINE ) |
REFERENCE DRAWINGS & PICTURES
FLAT
GROOVED
Cross Reference | NSN 2815-01-057-6639
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3803515 | 15434 | CUMMINS INC. |
| 207241 | 15434 | CUMMINS INC. |
Technical Data | NSN 2815-01-057-6639
| Characteristic | Specifications |
|---|---|
| MATERIAL AND LOCATION | STEEL OVERALL |
| METALLIC HARDNESS RATING AND LOCATION | ADT52.0 ROCKWELL C MINIMUM |
| HEAD STYLE | FLAT |
| HEAD HEIGHT | 0.2656 INCHES MINIMUM AND 0.2750 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 2.2150 INCHES MINIMUM AND 2.2250 INCHES MAXIMUM |
| NECK RADIUS | 0.7900 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM |
| SEAT ANGLE IN DEG | 30.0 |
| STEM STYLE | GROOVED |
| GROOVE DIAMETER | 0.4220 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM |
| CHAMFER LENGTH | 0.0100 INCHES MINIMUM AND 0.0250 INCHES MAXIMUM |
| GROOVE WIDTH | 0.1320 INCHES MINIMUM AND 0.1420 INCHES MAXIMUM |
| STEM LENGTH | 7.2730 INCHES MINIMUM AND 7.2870 INCHES MAXIMUM |
| STEM DIAMETER | 0.4945 INCHES MINIMUM AND 0.4955 INCHES MAXIMUM |
| DISTANCE FROM GROOVE TO STEM END | 0.4600 INCHES NOMINAL |
| CHAMFER ANGLE IN DEG | 45.0 |
| CARBON RELIEF GROOVE | NOT INCLUDED |
