4820-01-554-6793 VALVE,BUTTERFLY Index 4820-01-554-8534 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-554-7218

Federal Supply Class:
4820

National Item Identification Number:
015547218

Description:
RETAINER,SEAT,VALVE

Detail:
AN ITEM OF VARIOUS SHAPES AND CROSS-SECTIONS, THAT MAY BE FLANGED AND THAT IS DESIGNED TO FIT OVER A VALVE SEAT, ALLOWING PROPER POSITIONING OF THE SEAT WITH A FLOW CONTROL DEVICE.


Manufacturer Information:
138562380064NAVAL SHIP SYSTEMS COMMAND
803-1385623-05XX-6980064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A494. GRADE M-30H ASSN STD SINGLE MATERIAL RESPONSE
MATERIALNICKEL ALLOY
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER5.550 INCHES MINIMUM AND 5.590 INCHES MAXIMUM
SPECIAL FEATURESBODY SEAT RING
VALVE SIZE FOR WHICH DESIGNED5.000 INCHES
VALVE DESIGN CONTROL ACTIVITY80064


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