4820-00-083-4094 SEAT,VALVE Index 1650-00-083-4097 SEAT,HELICAL COMPRESSION SPRING

National Stock Number:
4820-00-083-4095

Federal Supply Class:
4820

National Item Identification Number:
000834095

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:
193450UES3MID-AMERICA AEROTECH, LLC
1934519156MOOG INC
1934579294E-SYSTEMS INC MONTEK DIV FLUID CONTROLS OPNS
1934594697MOOG INC


Techincal Specification:
BODY INSIDE DIAMETER0.083 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
FLANGE DIAMETER0.347 INCHES MINIMUM AND 0.349 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
FSC APPLICATION DATAVALVE,LINEAR,DIRECTIONAL CONTROL,HYDRAULIC SYSTEM,AIRCRAFT
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 TYPE 416 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORPLAIN FLANGED
SURFACE TREATMENTPASSIVATE OVERALL
UNDER FLANGE HEIGHT0.179 INCHES MINIMUM AND 0.181 INCHES MAXIMUM


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