4720-01-318-8449 HOSE ASSEMBLY,NONMETALLIC Index 2815-01-318-8451 INSERT,ENGINE VALVE SEAT

National Stock Number:
2815-01-318-8450

Federal Supply Class:
2815

National Item Identification Number:
013188450

Description:
VALVE,POPPET,ENGINE

Detail:
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.


Manufacturer Information:
R5040611J955JOHN DEERE CONSTRUCTION & FORESTRY COMPANY DIV DIRECT GOVERNMENTAL SALES
R50406175755DEERE & COMPANY
R846191J955JOHN DEERE CONSTRUCTION & FORESTRY COMPANY DIV DIRECT GOVERNMENTAL SALES
R8461975160DEERE & CO
R8461975755DEERE & COMPANY


Techincal Specification:
III MATERIAL AND LOCATIONSTEEL, FED STD 66, SAE HEV3 OVERALL
PROPRIETARY CHARACTERISTICSPACS
METALLIC HARDNESS RATING AND LOCATION30.0 ROCKWELL C MINIMUM HEAD ERR-100 AND 44.0 ROCKWELL C MAXIMUM HEAD ERR-100
NECK RADIUS10.4 MILLIMETERS NOMINAL
OUTSIDE DIAMETER47.0 MILLIMETERS NOMINAL
SEAT ANGLE IN DEG60.0
STEM STYLEGROOVED
DISTANCE FROM GROOVE TO STEM END9.4 MILLIMETERS NOMINAL
GROOVE WIDTH2.5 MILLIMETERS NOMINAL
HEAD HEIGHT5.2 MILLIMETERS NOMINAL
HEAD STYLEFLAT


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