3120-00-469-0084 BUSHING,SLEEVE Index 1560-00-469-0087 PIPE REAR FUSELAG

National Stock Number:
4820-00-469-0085

Federal Supply Class:
4820

National Item Identification Number:
004690085

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:
2476-68PCE96169ELECTRIC BOAT CORPORATION
313-4900-233412PCE80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY INSIDE DIAMETER2.313 INCHES NOMINAL
FLANGE DIAMETER3.250 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.313 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D5 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY BODY
NOMINAL THREAD SIZE2.875 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN FLANGED
THREAD CLASS2A SINGLE THREADED PORTION
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
UNDER FLANGE HEIGHT1.125 INCHES NOMINAL


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