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National Stock Number:
4820-01-417-4912
Federal Supply Class:
4820
National Item Identification Number:
014174912
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:
| 17B2C3002-1 | 88277 | THE BOEING COMPANY | | 3C4302 | 99240 | CRISSAIR INC |
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Techincal Specification:
| FLOW CONTROL DEVICE | POPPET | | TEMP ADJUSTABILITY | NOT ADJUSTABLE | | TEMP RATING | 275.0 DEG FAHRENHEIT | | BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW | | BODY MATERIAL | STEEL, AMS 5640 | | END CONNECTION QUANTITY | 1 | | FIRST END CONNECTION TYPE | THREADED EXTERNAL BOSS | | FIRST END STYLE DESIGNATOR | EXTERNAL SEAT FOR GASKET SEAL | | FIRST END THREAD CLASS | 3A | | FIRST END THREAD DIRECTION | RIGHT-HAND | | FIRST END THREAD SERIES DESIGNATOR | UNJF | | FIRST END NOMINAL THREAD SIZE | 0.562 INCHES | | ABSOLUTE PRESSURE SETTING | 17.0 | | FURNISHED ITEMS | FILTER SCREEN |
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