3940-01-343-7307 BLOCK,TACKLE Index 4820-01-343-7309 SEAT,VALVE

National Stock Number:
4820-01-343-7308

Federal Supply Class:
4820

National Item Identification Number:
013437308

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:
73811-130/8542-003950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
73811-130/8542-009-44057574VELAN VALVE CORP.
8542-009-44057574VELAN VALVE CORP.
8542-009-440VM03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
8542-009-440VM57574VELAN VALVE CORP.


Techincal Specification:
BODY INSIDE DIAMETER3.000 INCHES NOMINAL
BODY OUTSIDE DIAMETER3.500 INCHES NOMINAL
FLANGE DIAMETER3.657 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.815 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A182 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
UNDER FLANGE HEIGHT0.156 INCHES NOMINAL
STYLE DESIGNATORPLAIN FLANGED


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