NSN 4820-00-289-2440
Part Details | VACUUM BREAKING VALVE
4820-00-289-2440 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.
Alternate Parts: CA654328, CA6543-28, AS11S4707PC28, AS11S47-07PC28, AS11S4709PC71, AS11S47-09PC71, AS11S4707PC28, AS11S47-07PC28, AS11S4709PC71, AS11S47-09PC71, 4820-00-289-2440, 00-289-2440, 4820002892440, 002892440
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | JAN 01, 1963 | 00-289-2440 | 08101 ( VALVE, VACUUM BREAKING ) |
REFERENCE DRAWINGS & PICTURES
SINGLE CONNECTION, STRAIGHT FLOW

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Cross Reference | NSN 4820-00-289-2440
Part Number | Cage Code | Manufacturer |
---|---|---|
CA6543-28 | 83130 | BUFFALO PUMPS, INC.DIV BUFFALO PUMPS DIV |
AS11S47-07PC28 | 53711 | NAVAL SEA SYSTEMS COMMAND |
AS11S47-09PC71 | 53711 | NAVAL SEA SYSTEMS COMMAND |
AS11S47-07PC28 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
AS11S47-09PC71 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-00-289-2440
Characteristic | Specifications |
---|---|
BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW |
BODY MATERIAL | BRASS |
SEAT MATERIAL | BRASS |
FLOW CONTROL DEVICE | ANY ACCEPTABLE |
FLOW CONTROL DEVICE MATERIAL | ANY ACCEPTABLE |
END CONNECTION QUANTITY | 1 |
FIRST END CONNECTION TYPE | THREADED EXTERNAL PIPE |
FIRST END STYLE DESIGNATOR | PLAIN |
FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES |
FIRST END THREAD DIRECTION | RIGHT-HAND |
TEMP ADJUSTABILITY | NOT ADJUSTABLE |
MEDIA FOR WHICH DESIGNED | AIR |
ABSOLUTE PRESSURE RANGE | P2.8/P14.0 |