NSN 2805-00-737-8857 42670, 4-2670, 7378857
Product Details | ENGINE POPPET VALVE
2805-00-737-8857 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: 42670, 4-2670, 7378857, 2805-00-737-8857, 00-737-8857, 2805007378857, 007378857
Engines, Turbines, and Components | Gasoline Reciprocating Engines, Except Aircraft; and Components
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 28 | 01 JAN 1963 | 00-737-8857 | 15884 ( VALVE, POPPET, ENGINE ) |
Drawings & Photos | NSN 2805-00-737-8857
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Technical Data | NSN 2805-00-737-8857
| Characteristic | Specifications |
|---|---|
| MATERIAL AND LOCATION | STEEL OVERALL |
| METALLIC HARDNESS RATING AND LOCATION | 30.0 ROCKWELL C MINIMUM HEAD 40.0 ROCKWELL C MAXIMUM HEAD 30.0 ROCKWELL C MINIMUM SEAT FACE 40.0 ROCKWELL C MAXIMUM SEAT FACE 30.0 ROCKWELL C MINIMUM STEM 40.0 ROCKWELL C MAXIMUM STEM 45.0 ROCKWELL C NOMINAL TIP |
| HEAD STYLE | 1 FLAT |
| HEAD HEIGHT | 0.1400 INCHES MINIMUM AND 0.1600 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 1.7450 INCHES MINIMUM AND 1.7550 INCHES MAXIMUM |
| NECK RADIUS | 0.3120 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.0 |
| STEM STYLE | 11 DOUBLE GROOVED |
| CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| STEM LENGTH | 4.5515 INCHES MINIMUM AND 4.5965 INCHES MAXIMUM |
| STEM DIAMETER | 0.3415 INCHES MINIMUM AND 0.3425 INCHES MAXIMUM |
| DISTANCE FROM FIRST GROOVE TO STEM END | 0.1830 INCHES NOMINAL |
| DISTANCE FROM SECOND GROOVE TO STEM END | 0.4540 INCHES NOMINAL |
| FIRST GROOVE DIAMETER | 0.2980 INCHES MINIMUM AND 0.3040 INCHES MAXIMUM |
| SECOND GROOVE DIAMETER | 0.2740 INCHES MINIMUM AND 0.2800 INCHES MAXIMUM |
| FIRST GROOVE WIDTH | 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM |
| SECOND GROOVE WIDTH | 0.0390 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM |
| CHAMFER ANGLE IN DEG | 45.0 |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| III FSC APPLICATION DATA | GASOLINE ENGINE |
Restrictions/Controls & Freight Information | NSN 2805-00-737-8857
| 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 |