4820-01-061-1596 SEAT,VALVE Index 7690-01-061-1599 MARKER,IDENTIFICATION

National Stock Number:
4820-01-061-1598

Federal Supply Class:
4820

National Item Identification Number:
010611598

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:
1889587ASSYCVPC4 1-4IN03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2620-902ASSYCVPC4 1-4IN63686THE WALWORTH COMPANY
2620-902ASSYCVPC4 1-4IN96169ELECTRIC BOAT CORPORATION
803-217793453711NAVAL SEA SYSTEMS COMMAND
803-2177934-1XX-1853711NAVAL SEA SYSTEMS COMMAND
803-2177934-X1XX-1853711NAVAL SEA SYSTEMS COMMAND
845-188958703950NAVAL INVENTORY CONTROL POINT MECHANICSBURG


Techincal Specification:
BODY INSIDE DIAMETER0.346 INCHES NOMINAL
FLANGE DIAMETER0.749 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.091 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CLASS A OR B,COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
NOMINAL THREAD SIZE0.625 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG45.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
SPECIAL FEATURESID HAS OCTOGONAL WRENCHING ACCOMODATION 0.307 IN.ACROSS THE FLAT
UNDER FLANGE HEIGHT0.315 INCHES NOMINAL
STYLE DESIGNATORTHREADED FLANGED
THREAD LENGTH0.221 INCHES NOMINAL SINGLE THREADED PORTION
THREAD CLASS3A SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
THREAD QUANTITY PER INCH24 SINGLE THREADED PORTION


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