4810-01-078-4561 SEAT,VALVE Index 9905-01-078-4563 PLATE,IDENTIFICATION

National Stock Number:
4810-01-078-4562

Federal Supply Class:
4810

National Item Identification Number:
010784562

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:
5019A45934ONTIC ENGINEERING & MANUFACTURING, INC
5019A56705DONALLCO INC
5019A73760ITT AEROSPACE CONTROLS LLC


Techincal Specification:
BODY INSIDE DIAMETER0.120 INCHES NOMINAL
CRITICALITY CODE JUSTIFICATIONCQKM
FLANGE DIAMETER0.875 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.156 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 304 OVERALL
NOMINAL THREAD SIZE0.750 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.281 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH28 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.469 INCHES NOMINAL


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