4730-01-431-6673 NUT,UNION Index 4820-01-431-6675 SEAT,VALVE

National Stock Number:
4820-01-431-6674

Federal Supply Class:
4820

National Item Identification Number:
014316674

Description:
PISTON,VALVE

Detail:
A CYLINDRICAL ITEM OF VARIOUS CONFIGURATIONS WHICH RECIPROCATES IN A VALVE BODY, ASSISTING IN THE MOVEMENT OF THE DISK TO OPEN OR CLOSE A VALVE. MAY INCLUDE ADDITIONAL COMPONENTS SUCH AS RING(S), COLLAR(S), SPRING(S) AND THE LIKE. EXCLUDES DISK, VALVE.


Manufacturer Information:
698346853711NAVAL SEA SYSTEMS COMMAND
6983468-PIECE 5453711NAVAL SEA SYSTEMS COMMAND
803-6983468-PC05453711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
INSIDE DIAMETER0.438 INCHES NOMINAL
OUTSIDE DIAMETER2.125 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-B164 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALNICKEL ALLOY
VALVE MODEL NUMBER FOR WHICH DESIGNED803-6983468-ASSEMBLY 97
VALVE SIZE FOR WHICH DESIGNED1.000 INCHES
VALVE TYPE FOR WHICH DESIGNEDCHECK
VALVE DESIGN CONTROL ACTIVITY53711


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