4810-00-399-2517 DISK,VALVE Index 4820-00-399-2520 SEAT,VALVE

National Stock Number:
4820-00-399-2519

Federal Supply Class:
4820

National Item Identification Number:
003992519

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:
A2225R3-2909032TATE ANDALE, LLC


Techincal Specification:
BODY INSIDE DIAMETER1.000 INCHES NOMINAL
FLANGE DIAMETER1.625 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.125 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE1.375 INCHES SINGLE THREADED PORTION
SEAL ACCOMMODATION TYPEGROOVED
SEAT ANGLE IN DEG45.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
SPECIAL FEATURESTWO WRENCHING SLOTS,0.188 IN. W BY 0.125 IN. DEEP LOCATED ON OUTER PERIPHERY OF FLANGED SPACED 180DEG APART
UNDER FLANGE HEIGHT0.406 INCHES NOMINAL
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.313 INCHES NOMINAL SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNF SINGLE THREADED PORTION


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