4820-01-455-5034 GUIDE,VALVE STEM Index 4820-01-455-5036 CAP,VALVE

National Stock Number:
4820-01-455-5035

Federal Supply Class:
4820

National Item Identification Number:
014555035

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
803-4384536-4XXX-8580064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
STYLE DESIGNATORTHREADED FLANGED
FLANGE DIAMETER1.109 INCHES NOMINAL
BODY INSIDE DIAMETER0.790 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.091 INCHES NOMINAL
UNDER FLANGE HEIGHT0.253 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 DESIGNATORUN SINGLE THREADED PORTION
NOMINAL THREAD SIZE1.1875 INCHES SINGLE THREADED PORTION
THREAD QUANTITY PER INCH20 SINGLE THREADED PORTION
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.172 INCHES NOMINAL SINGLE THREADED PORTION


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