4820-00-306-1955 VALVE,FLOW CONTROL Index 4820-00-306-1957 VALVE,FLOW CONTROL

National Stock Number:
2815-00-306-1956

Federal Supply Class:
2815

National Item Identification Number:
003061956

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:
1433579575WICO-PRESTOLITE CO THE DIV OF ELTRA CORP
1433579582WID LEE MACHINE AND TOOL CO
CS2815-003416236DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS)
CS2815-003458275SASCO INC CANADIAN DIV
A7066158275SASCO INC CANADIAN DIV
CS2815-003479575WICO-PRESTOLITE CO THE DIV OF ELTRA CORP
CS2815-003492856EATON CORP ENGINE COMPONENTS DIV


Techincal Specification:
CARBON RELIEF GROOVENOT INCLUDED
CHAMFER ANGLE IN DEG45.0
CHAMFER LENGTH0.0200 INCHES NOMINAL
DISTANCE FROM GROOVE TO STEM END0.3550 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM
FSC APPLICATION DATADIESEL ENGINE
GROOVE DIAMETER0.3290 INCHES MINIMUM AND 0.3350 INCHES MAXIMUM
GROOVE WIDTH0.1250 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM
HEAD HEIGHT0.1950 INCHES MINIMUM AND 0.2050 INCHES MAXIMUM
HEAD STYLEFLAT
METALLIC HARDNESS RATING AND LOCATION37.0 ROCKWELL C MINIMUM OVERALL
METALLIC HARDNESS RATING AND LOCATION45.0 ROCKWELL C MAXIMUM OVERALL
NECK RADIUS0.4400 INCHES NOMINAL
OUTSIDE DIAMETER1.8070 INCHES MINIMUM AND 1.8170 INCHES MAXIMUM
SEAT ANGLE IN DEG45.0
STEM LENGTH5.7450 INCHES MINIMUM AND 5.7550 INCHES MAXIMUM
STEM STYLEGROOVED
STEM DIAMETER0.3715 INCHES MINIMUM AND 0.3725 INCHES MAXIMUM


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