4820-01-420-2521 SEAT,VALVE Index 4820-01-420-2523 DISK,VALVE

National Stock Number:
4820-01-420-2522

Federal Supply Class:
4820

National Item Identification Number:
014202522

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:
21102777153711NAVAL SEA SYSTEMS COMMAND
593-6405215 FIND 1353711NAVAL SEA SYSTEMS COMMAND
DF6002-400 FN-1343689HUNTINGTON INGALLS INC
640521553711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281, CLA FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALNICKEL ALLOY SEAT
SEAT ANGLE IN DEG45.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
SPECIAL FEATURESUPPER SEAT


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