4140-01-203-4788 IMPELLER,FAN,AXIAL Index 4820-01-203-4791 SEAT,VALVE

National Stock Number:
4820-01-203-4789

Federal Supply Class:
4820

National Item Identification Number:
012034789

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:
2620-920X396169ELECTRIC BOAT CORPORATION
2620-920X3 PIECE 481982HYDRO-AIRE AEROSPACE CORP
2620-920X3 PIECE 496169ELECTRIC BOAT CORPORATION
845-188955280064NAVAL SHIP SYSTEMS COMMAND
845-1889552 PIECE 480064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY INSIDE DIAMETER0.960 INCHES NOMINAL
BODY OUTSIDE DIAMETER1.310 INCHES MINIMUM AND 1.313 INCHES MAXIMUM
OVERALL HEIGHT0.655 INCHES MINIMUM AND 0.658 INCHES MAXIMUM
MATERIALSTEEL OVERALL
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORPLAIN


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