NSN 2990-00-386-2907
Part Details | ENGINE POPPET VALVE
2990-00-386-2907 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: 1F3474, 4819, V1843, IPD1F3474, T1843, 2990-00-386-2907, 00-386-2907, 2990003862907, 003862907
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | JAN 01, 1963 | 00-386-2907 | 15884 ( VALVE, POPPET, ENGINE ) |
REFERENCE DRAWINGS & PICTURES
FLAT
PLAIN
Cross Reference | NSN 2990-00-386-2907
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1F3474 | 11083 | CATERPILLAR INC.DBA CATERPILLAR |
| 4819 | 80900 | EATON CORP SPRING DIV |
| V1843 | 59875 | EATON INDUSTRIAL CORPORATIONDBA ARGO-TECH |
| IPD1F3474 | 55883 | INDUSTRIAL PARTS DEPOT, LLCDBA IPD |
| T1843 | 78557 | TOLEDO PICKLING & STEEL SALES |
Technical Data | NSN 2990-00-386-2907
| Characteristic | Specifications |
|---|---|
| MATERIAL AND LOCATION | STEEL OVERALL |
| HEAD STYLE | FLAT |
| HEAD HEIGHT | 0.1540 INCHES NOMINAL |
| OUTSIDE DIAMETER | 1.7500 INCHES NOMINAL |
| NECK RADIUS | 0.3125 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.0 |
| STEM STYLE | PLAIN |
| CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| STEM LENGTH | 6.8740 INCHES NOMINAL |
| STEM DIAMETER | 0.3720 INCHES NOMINAL |
| DISTANCE FROM FIRST GROOVE TO STEM END | 0.3700 INCHES NOMINAL |
| DISTANCE FROM SECOND GROOVE TO STEM END | 0.5250 INCHES NOMINAL |
| FIRST GROOVE DIAMETER | 0.3125 INCHES NOMINAL |
| SECOND GROOVE DIAMETER | 0.3125 INCHES NOMINAL |
| FIRST GROOVE WIDTH | 0.0625 INCHES NOMINAL |
| SECOND GROOVE WIDTH | 0.0625 INCHES NOMINAL |
| CHAMFER ANGLE IN DEG | 45.0 |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| SPECIAL FEATURES | 0.095 IN. LG,0.517 IN. DIA SHOULDER ON STEM 5.750 IN. FROM TIP END |