NSN 2805-00-774-4797 18713, 301874, 7744797
Product Details | ENGINE POPPET VALVE
2805-00-774-4797 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: 18713, 301874, 7744797, 2805-00-774-4797, 00-774-4797, 2805007744797, 007744797
Engines, Turbines, and Components | Gasoline Reciprocating Engines, Except Aircraft; and Components
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 28 | 01 JAN 1962 | 00-774-4797 | 15884 ( VALVE, POPPET, ENGINE ) |
Drawings & Photos | NSN 2805-00-774-4797
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Technical Data | NSN 2805-00-774-4797
| Characteristic | Specifications |
|---|---|
| MATERIAL AND LOCATION | STEEL AMS 5682 HEAD STEEL EATONITE SEAT FACE 92856 STEEL AMS-5700 STEM STEEL TPRK 98349 TIP |
| METALLIC HARDNESS RATING AND LOCATION | 56.0 ROCKWELL C NOMINAL TIP |
| HEAD STYLE | 4 CONCAVE |
| HEAD HEIGHT | 0.2660 INCHES MINIMUM AND 0.2760 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 2.2760 INCHES MINIMUM AND 2.2860 INCHES MAXIMUM |
| NECK RADIUS | 0.7500 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.0 |
| GROOVE DIAMETER | 0.4220 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM |
| CHAMFER LENGTH | 0.0200 INCHES NOMINAL |
| GROOVE WIDTH | 0.1560 INCHES MINIMUM AND 0.1660 INCHES MAXIMUM |
| STEM LENGTH | 5.5390 INCHES MINIMUM AND 5.5564 INCHES MAXIMUM |
| STEM DIAMETER | 0.5575 INCHES MINIMUM AND 0.5580 INCHES MAXIMUM |
| DISTANCE FROM MINOR DIAMETER TO STEM END | 0.2500 INCHES NOMINAL |
| CHAMFER ANGLE IN DEG | 45.0 |
| CARBON RELIEF GROOVE | NOT INCLUDED |
Restrictions/Controls & Freight Information | NSN 2805-00-774-4797
| Category | Code | Description |
|---|---|---|
| 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. |
| 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 | M | 85 |
| 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 |