NSN 2990-00-386-2907 IPD1F3474, T1843, V1843
Product 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.20328050063Gasoline Reciprocating Engines, Except Aircraft; and Components28100068Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components28150029Diesel Engines and Components
Part Alternates: IPD1F3474, T1843, V1843, 4819, 1F3474, 2990-00-386-2907, 00-386-2907, 2990003862907, 003862907
Engine Accessories | Miscellaneous Engine Accessories, Nonaircraft
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | 01 JAN 1963 | 00-386-2907 | 15884 ( VALVE, POPPET, ENGINE ) |
Drawings & Photos | NSN 2990-00-386-2907
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Technical Data | NSN 2990-00-386-2907
| Characteristic | Specifications |
|---|---|
| MATERIAL AND LOCATION | STEEL OVERALL |
| METALLIC HARDNESS RATING AND LOCATION | NOT RATED |
| HEAD STYLE | 5 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 | 11 DOUBLE GROOVED |
| 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 |
Restrictions/Controls & Freight Information | NSN 2990-00-386-2907
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 133300 | MACHINERY/MACHINES NOI |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 593 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | V | Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |
Management | NSN 2990-00-386-2907
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9C | Navy-owned stocks of defense construction material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | S9C | Defense Supply Center Columbus Columbus, OH 43215 |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | V | TERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |