4020-01-051-8364 TAPE,LACING AND TYING Index 4820-01-051-8369 SEAT,VALVE

National Stock Number:
4820-01-051-8366

Federal Supply Class:
4820

National Item Identification Number:
010518366

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:
211023080064NAVAL SHIP SYSTEMS COMMAND
2110230 PIECE 25 1-2IN80064NAVAL SHIP SYSTEMS COMMAND
2620-902ASSYBPC25 1-2IN63686THE WALWORTH COMPANY
2620-902ASSYBPC25 1-2IN96169ELECTRIC BOAT CORPORATION
2620-902X8 PC2596169ELECTRIC BOAT CORPORATION
2620-90296169ELECTRIC BOAT CORPORATION
803-217793453711NAVAL SEA SYSTEMS COMMAND
803-2177934-3XX-1953711NAVAL SEA SYSTEMS COMMAND
7006194863686THE WALWORTH COMPANY
803-217793480064NAVAL SHIP SYSTEMS COMMAND
803-2177934-3XX-1980064NAVAL SHIP SYSTEMS COMMAND
803-2177934-X3XX-1980064NAVAL SHIP SYSTEMS COMMAND
845-188958780064NAVAL SHIP SYSTEMS COMMAND
7006194890664WALWORTH CO MARINE DIV
845-1889587ASSYBPC25 1-2IN80064NAVAL SHIP SYSTEMS COMMAND
SS845-2110230 PIECE 25 1-2IN80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY INSIDE DIAMETER0.500 INCHES NOMINAL
FLANGE DIAMETER0.937 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.108 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY OVERALL
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORTHREADED FLANGED
UNDER FLANGE HEIGHT0.312 INCHES NOMINAL


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