5961-00-396-3998 SEMICONDUCTOR DEVICE,DIODE Index 4820-00-396-4000 SEAT,VALVE

National Stock Number:
4820-00-396-3999

Federal Supply Class:
4820

National Item Identification Number:
003963999

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:
2810H23-003-581996U S ARMY AVIATION AND MISSILE COMMAND
67835P1080254TEXTRON LYCOMING INC WILLIAMSPORT PLANT


Techincal Specification:
BODY INSIDE DIAMETER1.677 INCHES MINIMUM AND 1.687 INCHES MAXIMUM
BODY OUTSIDE DIAMETER2.107 INCHES MINIMUM AND 2.108 INCHES MAXIMUM
FSC APPLICATION DATAENG G0480
HARDNESS RATING285.0 BRINELL STANDARD MAXIMUM BODY
HARDNESS RATING285.0 BRINELL STANDARD MAXIMUM FACE
OVERALL HEIGHT0.384 INCHES MINIMUM AND 0.386 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5700 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
SEAT ANGLE IN DEG88.000 MINIMUM AND 92.000 MAXIMUM
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN


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