4810-00-770-1121 SUPPORT,SEAT Index 4920-00-770-1147 FIXTURE,AIRCRAFT MAINTENANCE

National Stock Number:
4810-00-770-1122

Federal Supply Class:
4810

National Item Identification Number:
007701122

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:
134042-000199657MAROTTA CONTROLS INC
134042-199657MAROTTA CONTROLS INC


Techincal Specification:
BODY INSIDE DIAMETER0.375 INCHES NOMINAL
BODY OUTSIDE DIAMETER0.623 INCHES NOMINAL
FLANGE DIAMETER0.672 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.065 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG45.000 NOMINAL
SPECIAL FEATURESDOUBLE FLANGED W/SIX DRILLED HOLES 0.186 TO 0.190 IN. DIA EQUALLY SPACED 60 DEG APART
STYLE DESIGNATORPLAIN FLANGED
SURFACE TREATMENTANODIZE OVERALL
UNDER FLANGE HEIGHT0.328 INCHES NOMINAL


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