4470-00-782-9416 SEAT,VALVE Index 4470-00-782-9418 SEAT,VALVE

National Stock Number:
4470-00-782-9417

Federal Supply Class:
4470

National Item Identification Number:
007829417

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:
E2928548422WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION


Techincal Specification:
BODY INSIDE DIAMETER1.250 INCHES NOMINAL
CRITICALITY CODE JUSTIFICATIONZZZY
FLANGE DIAMETER1.750 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.312 INCHES NOMINAL
FSC APPLICATION DATASPECIAL PROPULSION PLANT SYSTEM
MATERIAL DOCUMENT AND CLASSIFICATIONSTELLITE 6,WM POWELL CO MFR REF SINGLE MATERIAL RESPONSE FACE
MATERIALSTEEL BODY
MATERIALSTEEL FACE
NOMINAL THREAD SIZE1.562 INCHES SINGLE THREADED PORTION
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANED IN ACCORDANCE WITH MIL-STD-767
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG15.000 NOMINAL
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.406 INCHES NOMINAL SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.406 INCHES NOMINAL


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