4730-01-048-5476 CUP,OIL,LUBRICATING Index 5985-01-048-5478 SWITCH,RADIO FREQUENCY TRANSMISS

National Stock Number:
4820-01-048-5477

Federal Supply Class:
4820

National Item Identification Number:
010485477

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:
384536-32B-8580064NAVAL SHIP SYSTEMS COMMAND
803-4384536-32B-1353711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BODY INSIDE DIAMETER0.644 INCHES NOMINAL
OVERALL HEIGHT0.312 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD SIZE0.937 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG45.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN THREADED
THREAD LENGTH0.156 INCHES NOMINAL SINGLE THREADED PORTION
THREAD CLASS3A SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
THREAD QUANTITY PER INCH24 SINGLE THREADED PORTION


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