4820-01-144-4022 SEAT,VALVE Index 4810-01-144-4024 SEAT,VALVE

National Stock Number:
4810-01-144-4023

Federal Supply Class:
4810

National Item Identification Number:
011444023

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:
500428399167HAMILTON SUNDSTRAND CORPORATION


Techincal Specification:
BODY OUTSIDE DIAMETER2.174 INCHES MINIMUM AND 2.176 INCHES MAXIMUM
BODY STEPPED INSIDE DIAMETER1.959 INCHES MINIMUM AND 1.979 INCHES MAXIMUM SECOND STEP
BODY STEPPED INSIDE DIAMETER1.683 INCHES MINIMUM AND 1.693 INCHES MAXIMUM FIRST STEP
FLANGE DIAMETER2.302 INCHES MINIMUM AND 2.322 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS4082 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM OVERALL
SEAL ACCOMMODATION TYPEGROOVED
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORPLAIN FLANGED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
UNDER FLANGE HEIGHT0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM


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