4020-01-090-9168 ROPE,FIBROUS Index 7690-01-090-9170 MARKER,IDENTIFICATION

National Stock Number:
4810-01-090-9169

Federal Supply Class:
4810

National Item Identification Number:
010909169

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:
282150UES3MID-AMERICA AEROTECH, LLC
2821519156MOOG INC
2821579294E-SYSTEMS INC MONTEK DIV FLUID CONTROLS OPNS
2821594697MOOG INC
282159P5N5MOOG MILITARY AIRCRAFT LLC


Techincal Specification:
BODY INSIDE DIAMETER0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
FLANGE DIAMETER0.350 INCHES MINIMUM AND 0.352 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.045 INCHES MINIMUM AND 0.065 INCHES MAXIMUM
HARDNESS RATING42.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 431 OVERALL
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG45.000 NOMINAL
STYLE DESIGNATORPLAIN FLANGED
SURFACE TREATMENTPASSIVATE OVERALL
UNDER FLANGE HEIGHT0.218 INCHES MINIMUM AND 0.222 INCHES MAXIMUM


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