4820-00-903-4336 VALVE,BALL Index 4820-00-903-4338 SEAT,VALVE

National Stock Number:
4820-00-903-4337

Federal Supply Class:
4820

National Item Identification Number:
009034337

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:
638212-272957ELLIOTT COMPANY
638212PC272957ELLIOTT COMPANY
8R0003ITEM3-972957ELLIOTT COMPANY
BWW-0067ITEM3-972957ELLIOTT COMPANY
Z638212PC272957ELLIOTT COMPANY


Techincal Specification:
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD 1ST MATERIAL RESPONSE OR
AISI 416/SAE 51416 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG45.000 NOMINAL
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
NOMINAL THREAD SIZE1.375 INCHES SINGLE THREADED PORTION
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
THREAD CLASS3A SINGLE THREADED PORTION
THE MANUFACTURERS DATA
MANUFACTURERS CODE72957
DESIGN CONTROL REFERENCE638212-2


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