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National Stock Number:
4820-01-066-9474
Federal Supply Class:
4820
National Item Identification Number:
010669474
Description:
VALVE,VACUUM BREAKING
Detail:
AN ITEM DESIGNED TO AUTOMATICALLY RELIEVE VACUUM, BY THE INTAKE OF AIR, WHEN THE INTERNAL PRESSURE FALLS BELOW ATMOSPHERIC PRESSURE. SEE ALSO VALVE, VACUUM REGULATING.
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Manufacturer Information:
| 975509-1 | 3B150 | RAYTHEON COMPANY | | 975509-1 | 49956 | RAYTHEON COMPANY | | P4-2628 | 91816 | CIRCOR AEROSPACE, INC. | | P4-262B | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| END CONNECTION QUANTITY | 1 | | ABSOLUTE PRESSURE SETTING | 0.5 | | BODY MATERIAL | BRASS, QQ-B-626, ALLOY 360, 1/2H | | BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW | | FIRST END CONNECTION TYPE | THREADED EXTERNAL PIPE | | FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES | | FIRST END THREAD DIRECTION | RIGHT-HAND | | FIRST END STYLE DESIGNATOR | PLAIN | | FLOW CONTROL DEVICE MATERIAL | BRASS, QQ-B-626, ALLOY 360, 1/2H | | FLOW CONTROL DEVICE | CONE | | MEDIA FOR WHICH DESIGNED | ANY ACCEPTABLE | | TEMP ADJUSTABILITY | NOT ADJUSTABLE |
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