Product Details | ENGINE POPPET VALVE

2805-00-700-6840 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: 202160, 7006840, 2805-00-700-6840, 00-700-6840, 2805007006840, 007006840

Engines, Turbines, and Components | Gasoline Reciprocating Engines, Except Aircraft; and Components

Supply Group (FSG) NSN Assign. NIIN
28 01 JAN 1963 00-700-6840

Drawings & Photos | NSN 2805-00-700-6840


Cross Reference | NSN 2805-00-700-6840

Part Number Cage Code Manufacturer
202160 02978 L-3 COMMUNICATIONS CORPORATION DBA COMBAT PROPULSION SYSTEMS
202160 81401 CONTINENTAL BUILT WRIGHT ENGINE PARTS
7006840 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

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Technical Data | NSN 2805-00-700-6840

Characteristic Specifications
MATERIAL AND LOCATION STEEL, AMS 5710 OVERALL
METALLIC HARDNESS RATING AND LOCATION 45.0 ROCKWELL C MINIMUM TIP 50.0 ROCKWELL C MAXIMUM TIP
HEAD STYLE 4 CONCAVE
HEAD HEIGHT 0.1875 INCHES NOMINAL
OUTSIDE DIAMETER 2.3750 INCHES NOMINAL
NECK RADIUS 1.0000 INCHES NOMINAL
SEAT ANGLE IN DEG 44.0
STEM STYLE 11 DOUBLE GROOVED
CHAMFER LENGTH 0.0200 INCHES NOMINAL
STEM LENGTH 4.6295 INCHES MINIMUM AND 4.6395 INCHES MAXIMUM
STEM DIAMETER 0.5282 INCHES MINIMUM AND 0.5287 INCHES MAXIMUM
DISTANCE FROM FIRST GROOVE TO STEM END 0.3960 INCHES MINIMUM AND 0.4120 INCHES MAXIMUM
DISTANCE FROM SECOND GROOVE TO STEM END 0.6490 INCHES MINIMUM AND 0.6930 INCHES MAXIMUM
FIRST GROOVE DIAMETER 0.4460 INCHES MINIMUM AND 0.4520 INCHES MAXIMUM
SECOND GROOVE DIAMETER 0.4660 INCHES MINIMUM AND 0.4700 INCHES MAXIMUM
FIRST GROOVE WIDTH 0.3160 INCHES MINIMUM AND 0.3380 INCHES MAXIMUM
SECOND GROOVE WIDTH 0.0520 INCHES NOMINAL
CHAMFER ANGLE IN DEG 45.0
CARBON RELIEF GROOVE NOT INCLUDED

Restrictions/Controls & Freight Information | NSN 2805-00-700-6840

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious 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