4820-00-375-7855 DISK,VALVE Index 4820-00-375-7858 DISK,VALVE

National Stock Number:
4820-00-375-7857

Federal Supply Class:
4820

National Item Identification Number:
003757857

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:
5119-4824-3800PC4-8548280064NAVAL SHIP SYSTEMS COMMAND
5119-4824-3803PC4-1-1-280064NAVAL SHIP SYSTEMS COMMAND
8548238056ASHCROFT INC
R6309LLPC4-1-1-238056ASHCROFT INC
R6309SPC4-8548238056ASHCROFT INC
5119-4824-3805PC8548280064NAVAL SHIP SYSTEMS COMMAND
R6309TPC8548238056ASHCROFT INC
V6092CALT3ITEM138056ASHCROFT INC


Techincal Specification:
BODY INSIDE DIAMETER1.875 INCHES NOMINAL
OVERALL HEIGHT0.688 INCHES NOMINAL
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD SIZE2.500 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG45.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN THREADED
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.563 INCHES NOMINAL SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
THREAD QUANTITY PER INCH18 SINGLE THREADED PORTION


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