2825-00-218-6076 SEAT,REGULATING VAL Index 2825-00-218-6078 SEAT,REGULATING VAL

National Stock Number:
4810-00-218-6077

Federal Supply Class:
4810

National Item Identification Number:
002186077

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:
995879500WESTINGHOUSE ELECTRIC CORP
995880231WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV
995890099NORTHROP GRUMMAN SYSTEMS CORPORATION
D15-651BPC67779500WESTINGHOUSE ELECTRIC CORP
D15-651BPC67780231WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV
D15-651BPC67790099NORTHROP GRUMMAN SYSTEMS CORPORATION
D15-651JPC67779500WESTINGHOUSE ELECTRIC CORP
D15-651JPC67780231WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV
D15-651JPC67790099NORTHROP GRUMMAN SYSTEMS CORPORATION
D15-651PPC67779500WESTINGHOUSE ELECTRIC CORP
D15-651PPC67780231WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV
D15-651PPC67790099NORTHROP GRUMMAN SYSTEMS CORPORATION
D15-651QPC67779500WESTINGHOUSE ELECTRIC CORP
D15-651QPC67780231WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV
D15-651QPC67790099NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
BODY INSIDE DIAMETER1.313 INCHES NOMINAL
FLANGE DIAMETER2.125 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.250 INCHES NOMINAL
HARDNESS RATING202.0 BRINELL STANDARD MINIMUM BODY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-853,CLASS 3,TYPE A MIL SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALCOBALT ALLOY SEAT
MATERIALSTEEL BODY
NOMINAL THREAD SIZE1.750 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.750 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH12 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.875 INCHES NOMINAL


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