Product Details | ENGINE POPPET VALVE

2815-00-271-9549 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: BB23405, 3345, 7086934, 85510A, 2815-00-271-9549, 00-271-9549, 2815002719549, 002719549

Engines, Turbines, and Components | Diesel Engines and Components

Supply Group (FSG) NSN Assign. NIIN
28 01 JAN 1961 00-271-9549

Drawings & Photos | NSN 2815-00-271-9549


Cross Reference | NSN 2815-00-271-9549

Part Number Cage Code Manufacturer
3345 80900 EATON CORP SPRING DIV
7086934 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
85510A 1ML14 D.W. HERCULES, LLC DBA HERCULES ENGINE COMPONENTS
85510A 28265 HERCULES ENGINE CO INC
BB23405 56442 DIAMOND REO TRUCK CO

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Technical Data | NSN 2815-00-271-9549

Characteristic Specifications
MATERIAL AND LOCATION STEEL, FED STD 66, SAE HNV3 OVERALL
METALLIC HARDNESS RATING AND LOCATION 37.0 ROCKWELL C MINIMUM HEAD 44.0 ROCKWELL C MAXIMUM HEAD 37.0 ROCKWELL C MINIMUM SEAT FACE 44.0 ROCKWELL C MAXIMUM SEAT FACE 37.0 ROCKWELL C MINIMUM STEM 44.0 ROCKWELL C MAXIMUM STEM 47.0 ROCKWELL C NOMINAL TIP
HEAD STYLE 1 FLAT
HEAD HEIGHT 0.2500 INCHES MINIMUM AND 0.2800 INCHES MAXIMUM
OUTSIDE DIAMETER 1.9980 INCHES MINIMUM AND 2.0020 INCHES MAXIMUM
NECK RADIUS 0.4375 INCHES NOMINAL
SEAT ANGLE IN DEG 45.0
CHAMFER LENGTH 0.0312 INCHES NOMINAL
STEM LENGTH 6.4580 INCHES MINIMUM AND 6.4680 INCHES MAXIMUM
STEM DIAMETER 0.4970 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM
DISTANCE FROM FIRST GROOVE TO STEM END 0.3610 INCHES MINIMUM AND 0.3710 INCHES MAXIMUM
DISTANCE FROM SECOND GROOVE TO STEM END 0.5216 INCHES MINIMUM AND 0.5316 INCHES MAXIMUM
DISTANCE FROM THIRD GROOVE TO STEM END 0.6822 INCHES MINIMUM AND 0.6922 INCHES MAXIMUM
FIRST GROOVE DIAMETER 0.3900 INCHES MINIMUM AND 0.3950 INCHES MAXIMUM
SECOND GROOVE DIAMETER 0.3900 INCHES MINIMUM AND 0.3950 INCHES MAXIMUM
THIRD GROOVE DIAMETER 0.3900 INCHES MINIMUM AND 0.3950 INCHES MAXIMUM
FIRST GROOVE WIDTH 0.0970 INCHES MINIMUM AND 0.1010 INCHES MAXIMUM
SECOND GROOVE WIDTH 0.0970 INCHES MINIMUM AND 0.1010 INCHES MAXIMUM
THIRD GROOVE WIDTH 0.0970 INCHES MINIMUM AND 0.1010 INCHES MAXIMUM
CHAMFER ANGLE IN DEG 45.0
CARBON RELIEF GROOVE NOT INCLUDED
III FSC APPLICATION DATA DIESEL ENGINE

Restrictions/Controls & Freight Information | NSN 2815-00-271-9549

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 2815-00-271-9549

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