4310-00-623-8753 PISTON,COMPRESSOR Index 4820-00-623-8755 SEAT,VALVE

National Stock Number:
4820-00-623-8754

Federal Supply Class:
4820

National Item Identification Number:
006238754

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:
200103UPC23793232CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
200103UPC23793236DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE
5121B0AT62SIEMENS ENERGY, INC.
3287223PC23780064NAVAL SHIP SYSTEMS COMMAND
3298029PC45980064NAVAL SHIP SYSTEMS COMMAND
200110AFPC45993232CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
5121B93236DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE


Techincal Specification:
STYLE DESIGNATORPLAIN FLANGED
FLANGE DIAMETER0.859 INCHES NOMINAL
BODY OUTSIDE DIAMETER0.361 INCHES MINIMUM AND
0.362 INCHES MAXIMUM
BODY INSIDE DIAMETER0.219 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.125 INCHES NOMINAL
UNDER FLANGE HEIGHT0.438 INCHES NOMINAL
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING325.0 BRINELL STANDARD MINIMUM AND
350.0 BRINELL STANDARD MAXIMUM BODY
SEATING SURFACE SHAPEFLAT
SEAL ACCOMMODATION TYPERECESSED
THE MANUFACTURERS DATA
MANUFACTURERS CODE93236
DESIGN CONTROL REFERENCE5121B


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