5360-00-878-0521 SPRING,HELICAL,COMPRESSION Index 5330-00-878-0524 PACKING,PREFORMED

National Stock Number:
4820-00-878-0523

Federal Supply Class:
4820

National Item Identification Number:
008780523

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:
100284-271413014BETHLEHEM STEEL CORP SHIPBUILDING DIV SAN FRANCISCO YARD


Techincal Specification:
STYLE DESIGNATORFAUCET
FLANGE DIAMETER1.000 INCHES NOMINAL
BODY INSIDE DIAMETER0.655 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.720 INCHES NOMINAL
UNDER FLANGE HEIGHT0.692 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING BODY
PLASTIC,TETRAFLUROETHYLENE SEAT
SEATING SURFACE SHAPEFLAT
THREAD SERIES DESIGNATORUNF FIRST THREADED PORTION
UNF SECOND THREADED PORTION
NOMINAL THREAD SIZE0.625 INCHES FIRST THREADED PORTION
0.750 INCHES SECOND THREADED PORTION
THREAD CLASS2A FIRST THREADED PORTION
2A SECOND THREADED PORTION
THREAD LENGTH0.375 INCHES NOMINAL FIRST THREADED PORTION
0.403 INCHES NOMINAL SECOND THREADED PORTION


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