4820-01-268-3278 SEAT,VALVE Index 4820-01-268-3280 SEAT,VALVE

National Stock Number:
4820-01-268-3279

Federal Supply Class:
4820

National Item Identification Number:
012683279

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:
803-4384536-13B-1380064NAVAL SHIP SYSTEMS COMMAND
803-4384536-1XBX-8580064NAVAL SHIP SYSTEMS COMMAND
80343845361381380064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY INSIDE DIAMETER0.390 INCHES NOMINAL
FLANGE DIAMETER0.749 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.091 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY OVERALL
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORFAUCET
THREAD CLASS3A SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNEF SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.325 INCHES NOMINAL


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