4730-01-442-9934 TAILPIECE,UNION Index 4730-01-442-9936 NUT,UNION

National Stock Number:
4820-01-442-9935

Federal Supply Class:
4820

National Item Identification Number:
014429935

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-X61XXX 04253711NAVAL SEA SYSTEMS COMMAND
803-6397434-X61XXX 042L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
803-6397434-X61XXX 049L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
803-6397434-X61XXX-049L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
803-6397434-X61XXX 04953711NAVAL SEA SYSTEMS COMMAND
803-6397434-X61XXX-04953711NAVAL SEA SYSTEMS COMMAND
803-6397434-X61XXX-49L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
803-6397434-X61XXX-4953711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONZZZY
FLANGE DIAMETER2.680 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-24252 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOBALT COMP 1 OVERALL
NOMINAL THREAD SIZE2.5156 INCHES SINGLE THREADED PORTION
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
UNDER FLANGE HEIGHT0.531 INCHES NOMINAL
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS3A SINGLE THREADED PORTION
THREAD QUANTITY PER INCH18 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION


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