4820-01-049-2383 SEAT,VALVE Index 9905-01-049-2386 PLATE,INSTRUCTION

National Stock Number:
4810-01-049-2384

Federal Supply Class:
4810

National Item Identification Number:
010492384

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:
2190016780EATON AEROSPACE LLC


Techincal Specification:
BODY INSIDE DIAMETER0.156 INCHES MINIMUM AND 0.157 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.260 INCHES MINIMUM AND 0.262 INCHES MAXIMUM
FLANGE DIAMETER0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.069 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
FSC APPLICATION DATAVALVE,RESET,POWERED
HARDNESS RATING31.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 410 OVERALL
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORPLAIN FLANGED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
UNDER FLANGE HEIGHT0.085 INCHES NOMINAL


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