Product Details | ENGINE POPPET VALVE

2805-00-386-3381 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: CV1261, 44016A, C581, 2805-00-386-3381, 00-386-3381, 2805003863381, 003863381

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

Supply Group (FSG) NSN Assign. NIIN
28 01 JAN 1963 00-386-3381

Drawings & Photos | NSN 2805-00-386-3381


Cross Reference | NSN 2805-00-386-3381

Part Number Cage Code Manufacturer
44016A 1ML14 D.W. HERCULES, LLC DBA HERCULES ENGINE COMPONENTS
44016A 28265 HERCULES ENGINE CO INC
C581 80900 EATON CORP SPRING DIV
C581 81118 EATON CORPORATION DBA FLUID POWER PLANT
CV1261 80900 EATON CORP SPRING DIV

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Technical Data | NSN 2805-00-386-3381

Characteristic Specifications
MATERIAL AND LOCATION COBALT ALLOY SEAT FACE STEEL, FED STD 66, AISI/SAE 8645 STEM STEEL, FED STD 66, SAE EV4 HEAD
METALLIC HARDNESS RATING AND LOCATION 50.0 ROCKWELL C MINIMUM HEAD 30.0 ROCKWELL C MINIMUM STEM 40.0 ROCKWELL C MAXIMUM STEM 30.0 ROCKWELL C MINIMUM TIP 40.0 ROCKWELL C MAXIMUM TIP
HEAD STYLE 5 FLAT
HEAD HEIGHT 0.1960 INCHES MINIMUM AND 0.2060 INCHES MAXIMUM
OUTSIDE DIAMETER 1.5625 INCHES MINIMUM AND 1.5725 INCHES MAXIMUM
NECK RADIUS 0.4700 INCHES NOMINAL
SEAT ANGLE IN DEG 45.0
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 0.1900 INCHES NOMINAL
STEM LENGTH 4.8070 INCHES MINIMUM AND 4.8170 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
MANUFACTURERS CODE 80900
DESIGN CONTROL REFERENCE CV1261

Restrictions/Controls & Freight Information | NSN 2805-00-386-3381

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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
No Freight Information

Management | NSN 2805-00-386-3381

Category Code Description
Cognizance Codes9CNavy-owned stocks of defense construction material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9CDefense Supply Center Columbus
Columbus, OH 43215
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL 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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each