3010-01-121-1438 RETAINER,CYLINDER Index 4820-01-121-1440 SLEEVE AND SLIDE,DIRECTIONAL CON

National Stock Number:
4820-01-121-1439

Federal Supply Class:
4820

National Item Identification Number:
011211439

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:
518-467480353711NAVAL SEA SYSTEMS COMMAND
518-4674803 ITE80064NAVAL SHIP SYSTEMS COMMAND
518-4674803 ITEM 753711NAVAL SEA SYSTEMS COMMAND
87625-0305 ITEM 796169ELECTRIC BOAT CORPORATION


Techincal Specification:
BODY INSIDE DIAMETER0.375 INCHES NOMINAL
BODY OUTSIDE DIAMETER0.750 INCHES NOMINAL
FLANGE DIAMETER1.000 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.090 INCHES NOMINAL
MATERIALCOPPER ALLOY OVERALL
SEATING SURFACE SHAPEO-RING
STYLE DESIGNATORPLAIN FLANGED
UNDER FLANGE HEIGHT1.260 INCHES NOMINAL


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