4820-01-399-7920 VALVE,CHECK Index 5340-01-399-7922 RETAINER,NUT AND BOLT

National Stock Number:
4820-01-399-7921

Federal Supply Class:
4820

National Item Identification Number:
013997921

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
21102933353711NAVAL SEA SYSTEMS COMMAND
211029333L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
211029333SS03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
DS-B-90301L103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
DS-B-90301SS03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
DS-B-9030115187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER7.188 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.690 INCHES ALL ENDS
BOLT HOLE QUANTITY10 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
CRITICALITY CODE JUSTIFICATIONZZZY
DISK LOADING METHODWEIGHT
FACE TO FACE DISTANCE14.500 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE1200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-20159, UNS C96400 MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-20159, UNS C96400 MIL SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY 964 BODY
MATERIALCOPPER ALLOY 964 FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP200.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER8.690 INCHES ALL ENDS
NOMINAL THICKNESS1.440 INCHES ALL ENDS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR SUBSAFE ITEMS
VALVE OPERATION METHODMANUAL
VALVE SIZE4.000 INCHES
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS


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