4820-01-455-5031 DIAPHRAGM,VALVE,FLAT Index 4820-01-455-5033 CAP,VALVE

National Stock Number:
4820-01-455-5032

Federal Supply Class:
4820

National Item Identification Number:
014555032

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:
438453680064NAVAL SHIP SYSTEMS COMMAND
803-4384536-1XXX-8680064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
STYLE DESIGNATORTHREADED FLANGED
FLANGE DIAMETER0.719 INCHES NOMINAL
BODY INSIDE DIAMETER0.250 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.091 INCHES NOMINAL
UNDER FLANGE HEIGHT0.316 INCHES NOMINAL
MATERIALNICKEL ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B164 AND ASTM A494 ASSN STD SINGLE MATERIAL RESPONSE OR
QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SEATING SURFACE SHAPEFLAT
THREAD SERIES DESIGNATORUNEF SINGLE THREADED PORTION
NOMINAL THREAD SIZE0.625 INCHES SINGLE THREADED PORTION
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.235 INCHES NOMINAL SINGLE THREADED PORTION


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