1650-00-393-2649 SEAT,HELICAL COMPRESSION SPRING Index 4920-00-393-2656 FIXTURE,TEST,REGULA

National Stock Number:
4820-00-393-2654

Federal Supply Class:
4820

National Item Identification Number:
003932654

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:
353380UES3MID-AMERICA AEROTECH, LLC
3533819156MOOG INC
3533879294E-SYSTEMS INC MONTEK DIV FLUID CONTROLS OPNS
3533894697MOOG INC


Techincal Specification:
STYLE DESIGNATORPLAIN FLANGED
FLANGE DIAMETER0.357 INCHES MINIMUM AND
0.358 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.247 INCHES NOMINAL
BODY INSIDE DIAMETER0.248 INCHES MINIMUM AND
0.252 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.052 INCHES NOMINAL
UNDER FLANGE HEIGHT0.202 INCHES NOMINAL
MATERIALSTEEL OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND
45.0 ROCKWELL C MAXIMUM OVERALL
SEATING SURFACE SHAPEFLAT
SEAT ANGLE IN DEG30.000 NOMINAL
FSC APPLICATION DATAVALVE,LINEAR DIRECTIONAL CONTROL,HYDRAULIC SYSTEM,ACFT
THE MANUFACTURERS DATA
MANUFACTURERS CODE0UES3
DESIGN CONTROL REFERENCE35338


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