4730-01-324-5389 ADAPTER,STRAIGHT,PIPE TO HOSE Index 4820-01-324-5391 SEAT,VALVE

National Stock Number:
4820-01-324-5390

Federal Supply Class:
4820

National Item Identification Number:
013245390

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:
2640-809X57 PC 496169ELECTRIC BOAT CORPORATION
2640-809X57 PC4SS03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
845-4558772 ITEM 2ASS03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
845-4558791 PC40SS03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
845-4558772 ITEM 2A80064NAVAL SHIP SYSTEMS COMMAND
845-4558791 PC4080064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY OUTSIDE DIAMETER1.996 INCHES MINIMUM AND 1.998 INCHES MAXIMUM
BODY STEPPED INSIDE DIAMETER0.812 INCHES NOMINAL SECOND STEP
BODY STEPPED INSIDE DIAMETER1.438 INCHES MINIMUM AND 1.440 INCHES MAXIMUM FIRST STEP
FLANGE DIAMETER3.125 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.498 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-T-9047 MIL SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALTITANIUM BODY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR SUBSAFE ITEMS
STYLE DESIGNATORPLAIN FLANGED
UNDER FLANGE HEIGHT2.840 INCHES MINIMUM AND 2.844 INCHES MAXIMUM


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