2825-00-529-5987 STEM ASSEMBLY,VALVE Index 4820-00-529-5989 SEAT,VALVE

National Stock Number:
4820-00-529-5988

Federal Supply Class:
4820

National Item Identification Number:
005295988

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:
44B3021-72DPC1H2C10855CARRIER CORP
44B3021-73910855CARRIER CORP
44B3021-73972957ELLIOTT COMPANY


Techincal Specification:
BODY INSIDE DIAMETER0.503 INCHES MINIMUM AND 0.504 INCHES MAXIMUM
BODY OUTSIDE DIAMETER1.314 INCHES NOMINAL
FLANGE DIAMETER1.750 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.375 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALCOBALT ALLOY FACE
MATERIALSTEEL BODY
SEAT RADIUS0.151 INCHES NOMINAL
SEATING SURFACE SHAPERADIAL
STYLE DESIGNATORPLAIN FLANGED
TAPER MAJOR DIAMETER0.722 INCHES NOMINAL
TAPER MINOR DIAMETER0.512 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
TAPER LENGTH0.874 INCHES NOMINAL
UNDER FLANGE HEIGHT0.870 INCHES NOMINAL


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