4820-00-343-8449 VALVE,FLOW CONTROL Index 3120-00-343-8451 BUSHING,SLEEVE

National Stock Number:
4810-00-343-8450

Federal Supply Class:
4810

National Item Identification Number:
003438450

Description:
SEAT,VALVE

Detail:
A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.


Manufacturer Information:
171508611660WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
171508679500WESTINGHOUSE ELECTRIC CORP
1JB1127PC311660WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
1JH3278PC211660WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
1JB1127PC379500WESTINGHOUSE ELECTRIC CORP
171508690099NORTHROP GRUMMAN SYSTEMS CORPORATION
1JH3278PC279500WESTINGHOUSE ELECTRIC CORP
319365880064NAVAL SHIP SYSTEMS COMMAND
B3193658REVCPC380064NAVAL SHIP SYSTEMS COMMAND
715J994 PC 790099NORTHROP GRUMMAN SYSTEMS CORPORATION
1JH3278PC290099NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
BODY INSIDE DIAMETER0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
BODY OUTSIDE DIAMETER1.127 INCHES NOMINAL
FLANGE DIAMETER1.480 INCHES MINIMUM AND 1.490 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.682 INCHES MINIMUM AND 0.692 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION9214 11660 MFR REF SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONSTELLITE 11660 MFR REF SINGLE MATERIAL RESPONSE FACE
MATERIALSTEEL BODY
MATERIALSTEEL FACE
SEAL ACCOMMODATION TYPEGROOVED
SEAT RADIUS0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM
SEATING SURFACE SHAPERADIAL
STYLE DESIGNATORPLAIN FLANGED
TAPER LENGTH0.985 INCHES NOMINAL
TAPER MAJOR DIAMETER0.688 INCHES NOMINAL
TAPER MINOR DIAMETER0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
UNDER FLANGE HEIGHT0.496 INCHES MINIMUM AND 0.506 INCHES MAXIMUM


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