4730-01-178-8685 ELBOW,FLANGE Index 9905-01-178-8687 PLATE,INSTRUCTION

National Stock Number:
4820-01-178-8686

Federal Supply Class:
4820

National Item Identification Number:
011788686

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:
20212FIND501343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
8731 PIECE 401343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
A7440.002.128SPCLN01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY


Techincal Specification:
BODY INSIDE DIAMETER0.750 INCHES NOMINAL
CRITICALITY CODE JUSTIFICATIONZZZY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD SIZE1.125 INCHES SINGLE THREADED PORTION
OVERALL HEIGHT1.250 INCHES NOMINAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG45.000 NOMINAL
STYLE DESIGNATORPLAIN THREADED
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH1.000 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH18 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNEF SINGLE THREADED PORTION


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