Product Details | ENGINE POPPET VALVE

2805-00-517-9928 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: 20020A, 5045, 2805-00-517-9928, 00-517-9928, 2805005179928, 005179928

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

Supply Group (FSG) NSN Assign. NIIN
28 01 JAN 1963 00-517-9928

Drawings & Photos | NSN 2805-00-517-9928


Cross Reference | NSN 2805-00-517-9928

Part Number Cage Code Manufacturer
20020A 1ML14 D.W. HERCULES, LLC DBA HERCULES ENGINE COMPONENTS
20020A 28265 HERCULES ENGINE CO INC
5045 80900 EATON CORP SPRING DIV

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Technical Data | NSN 2805-00-517-9928

Characteristic Specifications
MATERIAL AND LOCATION STEEL, FED STD 66, AISI/SAE 8645 STEM STEEL, FED STD 66, SAE EV3 HEAD
METALLIC HARDNESS RATING AND LOCATION 30.0 ROCKWELL C MINIMUM HEAD 40.0 ROCKWELL C MAXIMUM HEAD 30.0 ROCKWELL C MINIMUM STEM 40.0 ROCKWELL C MAXIMUM STEM 50.0 ROCKWELL C MINIMUM TIP
HEAD STYLE 1 FLAT
HEAD HEIGHT 0.1870 INCHES MINIMUM AND 0.1970 INCHES MAXIMUM
OUTSIDE DIAMETER 1.7760 INCHES MINIMUM AND 1.7860 INCHES MAXIMUM
NECK RADIUS 0.5000 INCHES NOMINAL
SEAT ANGLE IN DEG 60.0
STEM STYLE 10 TAPERED
CHAMFER LENGTH 0.0300 INCHES NOMINAL
MINOR OUTSIDE DIAMETER 0.2450 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM
MINOR DIAMETER LENGTH 0.1880 INCHES NOMINAL
STEM LENGTH 5.6395 INCHES MINIMUM AND 5.6745 INCHES MAXIMUM
STEM DIAMETER 0.3720 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM
DISTANCE FROM MINOR DIAMETER TO STEM END 0.2170 INCHES MINIMUM AND 0.2190 INCHES MAXIMUM
CHAMFER ANGLE IN DEG 45.0
TAPER ANGLE IN DEG 15.0
CARBON RELIEF GROOVE NOT INCLUDED
III FSC APPLICATION DATA GASOLINE ENGINE

Restrictions/Controls & Freight Information | NSN 2805-00-517-9928

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