4020-01-060-9658 TAPE,LACING AND TYING Index 4820-01-060-9661 SEAT,VALVE

National Stock Number:
4820-01-060-9660

Federal Supply Class:
4820

National Item Identification Number:
010609660

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:
2303864235795LESLIE CONTROLS, INC.
N-586-1535795LESLIE CONTROLS, INC.
N58635795LESLIE CONTROLS, INC.
NB2303864235795LESLIE CONTROLS, INC.


Techincal Specification:
STYLE DESIGNATORTHREADED FLANGED
FLANGE DIAMETER5.250 INCHES NOMINAL
BODY INSIDE DIAMETER4.016 INCHES MINIMUM AND
4.031 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.188 INCHES NOMINAL
UNDER FLANGE HEIGHT0.562 INCHES NOMINAL
MATERIALNICKEL ALLOY A OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SEATING SURFACE SHAPERADIAL
SEAT RADIUS0.152 INCHES NOMINAL
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
NOMINAL THREAD SIZE5.062 INCHES SINGLE THREADED PORTION
THREAD QUANTITY PER INCH12 SINGLE THREADED PORTION
THREAD CLASS2A SINGLE THREADED PORTION
THREAD LENGTH0.141 INCHES NOMINAL SINGLE THREADED PORTION


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