9390-01-130-9617 NONMETALLIC CHANNEL Index 4730-01-130-9619 PLUG,PIPE

National Stock Number:
4820-01-130-9618

Federal Supply Class:
4820

National Item Identification Number:
011309618

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:
10124616A486GNIMIKKEISTOKESKUS NCB FINLAND
4515306177PNEUDRAULICS, INC.


Techincal Specification:
BODY OUTSIDE DIAMETER0.623 INCHES NOMINAL
BODY STEPPED INSIDE DIAMETER0.504 INCHES MINIMUM AND 0.514 INCHES MAXIMUM FIRST STEP
BODY STEPPED INSIDE DIAMETER0.702 INCHES MINIMUM AND 0.722 INCHES MAXIMUM SECOND STEP
FLANGE DIAMETER0.800 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.275 INCHES NOMINAL
HARDNESS RATING57.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 440C OVERALL
SEAT ANGLE IN DEG30.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN FLANGED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMCA1R PS 13001 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
UNDER FLANGE HEIGHT0.305 INCHES NOMINAL


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