Part Details | VACUUM BREAKING VALVE
4820-00-138-3750 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: 285441 12, 28544-1 1-2, 4820-00-138-3750, 00-138-3750, 4820001383750, 001383750
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | AUG 09, 1971 | 00-138-3750 | 08101 ( VALVE, VACUUM BREAKING ) |
REFERENCE DRAWINGS & PICTURES
SINGLE CONNECTION, STRAIGHT FLOW

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Cross Reference | NSN 4820-00-138-3750
Part Number | Cage Code | Manufacturer |
---|---|---|
28544-1 1-2 | 51729 | DRESSER, INC.DBA DRESSER ROOTS BLOWERS & |
Technical Data | NSN 4820-00-138-3750
Characteristic | Specifications |
---|---|
BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW |
BODY MATERIAL | BRONZE |
SEAT MATERIAL | BRONZE |
FLOW CONTROL DEVICE | Q ANY ACCEPTABLE |
FLOW CONTROL DEVICE MATERIAL | ANY ACCEPTABLE |
STEM MATERIAL | BRONZE |
END CONNECTION QUANTITY | 1 |
FIRST END CONNECTION TYPE | THREADED EXTERNAL PIPE |
FIRST END STYLE DESIGNATOR | PLAIN |
FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 1.500 INCHES |
FIRST END THREAD DIRECTION | RIGHT-HAND |
TEMP ADJUSTABILITY | NOT ADJUSTABLE |