5331-01-502-6864 O-RING Index 4410-01-502-6866 HEATER,WATER,LIQUID FUEL

National Stock Number:
4820-01-502-6865

Federal Supply Class:
4820

National Item Identification Number:
015026865

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:
B14532.001.10201343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
B14532.001.102VM03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
MH10501343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
MH105 FIND NO.401343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY


Techincal Specification:
BODY INSIDE DIAMETER0.435 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
OVERALL HEIGHT1.250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A479 TY 316 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIALSTEEL COMP 316 SEAT
NOMINAL THREAD SIZE0.687 INCHES FIRST THREADED PORTION
NOMINAL THREAD SIZE1.125 INCHES SECOND THREADED PORTION
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSASDIFFERENTIATED BY: PART REQUIRES SPECIAL MATERIAL CONTROL AND QUALITY ASSURANCE, WHICH SUPPORT THE NON-MAGNETIC SIGNATURE OF MINESWEEPERS.
SEAT ANGLE IN DEG30.000 MINIMUM AND 60.000 MAXIMUM
SEAT RADIUS0.217 INCHES NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORDOUBLE FLANGED
TAPER MAJOR DIAMETER0.570 INCHES NOMINAL
TAPER MINOR DIAMETER0.435 INCHES NOMINAL
THREAD LENGTH0.062 INCHES NOMINAL FIRST THREADED PORTION
THREAD CLASS2A FIRST THREADED PORTION
THREAD CLASS2A SECOND THREADED PORTION
THREAD LENGTH0.380 INCHES NOMINAL SECOND THREADED PORTION
THREAD SERIES DESIGNATORUN FIRST THREADED PORTION
THREAD SERIES DESIGNATORUNEF SECOND THREADED PORTION
THREAD QUANTITY PER INCH16 FIRST THREADED PORTION


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