4820-01-442-9939 DISK,VALVE Index 4820-01-442-9941 DISK,VALVE

National Stock Number:
4820-01-442-9940

Federal Supply Class:
4820

National Item Identification Number:
014429940

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:
803-6397434-X51XX-04953711NAVAL SEA SYSTEMS COMMAND
803-6397434-X51XX-049L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
803-6397434-X51XXX-022L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
803-6397434-X51XXX-022SS03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
803-6397434-X51XXX-02253711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
STYLE DESIGNATORTHREADED FLANGED
FLANGE DIAMETER2.117 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.216 INCHES NOMINAL
MATERIALCOBALT COMP 1 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-24252 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
NOMINAL THREAD SIZE1.9375 INCHES SINGLE THREADED PORTION
THREAD QUANTITY PER INCH18 SINGLE THREADED PORTION
THREAD CLASS3A SINGLE THREADED PORTION
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
CRITICALITY CODE JUSTIFICATIONZZZY
THE MANUFACTURERS DATA
MANUFACTURERS CODE53711
DESIGN CONTROL REFERENCE803-6397434-X51XXX-022


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