2825-00-818-1046 VALVE,POPPET,STEAM Index 2825-00-818-1048 SEAT,VALVE

National Stock Number:
2825-00-818-1047

Federal Supply Class:
2825

National Item Identification Number:
008181047

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:
909D138-1979500WESTINGHOUSE ELECTRIC CORP
909D138-1988657WESTINGHOUSE ELECTRIC CORP POWER GENERATION-TURBINE DIV
909D138PC1979500WESTINGHOUSE ELECTRIC CORP
909D138-1990099NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
BODY INSIDE DIAMETER0.438 INCHES NOMINAL
BODY OUTSIDE DIAMETER1.562 INCHES NOMINAL
FLANGE DIAMETER1.812 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.312 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 410 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALCOBALT ALLOY FACE
MATERIALSTEEL BODY
SEAT RADIUS0.028 INCHES MINIMUM AND 0.038 INCHES MAXIMUM
SEATING SURFACE SHAPERADIAL
SEAL ACCOMMODATION TYPEGROOVED
STYLE DESIGNATORPLAIN FLANGED
UNDER FLANGE HEIGHT0.500 INCHES NOMINAL


Click here to Register for Free 30-day Trial