9340-01-333-1472 WINDOW,OBSERVATION Index 5940-01-333-1474 TERMINAL BOX

National Stock Number:
4820-01-333-1473

Federal Supply Class:
4820

National Item Identification Number:
013331473

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:
2853125-10192003PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS


Techincal Specification:
BODY INSIDE DIAMETER0.120 INCHES NOMINAL
FLANGE DIAMETER0.437 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.090 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALALUMINUM ALLOY 6061 SEAT
NOMINAL THREAD SIZE0.312 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPEFLAT
SEAL ACCOMMODATION TYPEGROOVED
STYLE DESIGNATORTHREADED FLANGED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE SEAT
SURFACE TREATMENTANODIZE SEAT
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.222 INCHES NOMINAL SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNF SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.430 INCHES NOMINAL


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