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National Stock Number:
4820-01-564-1719
Federal Supply Class:
4820
National Item Identification Number:
015641719
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:
| BSSV 8102-51 | 32FE8 | DAVIS CONTROLS CORP |
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Techincal Specification:
| FLOW CONTROL DEVICE | DISK, CIRCULAR | | BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW | | BODY MATERIAL | STEEL, CORROSION RESISTING | | SEAT MATERIAL | STEEL, CORROSION RESISTING | | FLOW CONTROL DEVICE MATERIAL | STEEL, CORROSION RESISTING | | END CONNECTION QUANTITY | 2 | | FIRST END CONNECTION TYPE | UNTHREADED INTERNAL TUBE | | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL | | SECOND END CONNECTION TYPE | THREADED EXTERNAL PIPE | | SECOND END STYLE DESIGNATOR | PLAIN | | SECOND END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES NOMINAL | | SPECIAL FEATURES | VITON RETAINING RING, SPECIAL LIGHT SPRING; THREADED OUTLET MNPT | | PART NAME ASSIGNED BY CONTROLLING AGENCY | VACUUM BREAKING VALVE |
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