NSN 4820-01-198-4201

Part Details | VACUUM BREAKING VALVE

4820-01-198-4201 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: P4262T, P4-262T, 5189440, 4820-01-198-4201, 01-198-4201, 4820011984201, 011984201

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 09, 198501-198-420108101 ( VALVE, VACUUM BREAKING )
REFERENCE DRAWINGS & PICTURES

SINGLE CONNECTION, STRAIGHT FLOW

PLAIN

HEXAGON W/ BOLT HOLES

PLAIN

HEXAGON W/ BOLT HOLES

PLAIN

HEXAGON W/ BOLT HOLES

PLAIN

HEXAGON W/ BOLT HOLES

Cross Reference | NSN 4820-01-198-4201
Part Number Cage Code Manufacturer
P4-262T91816CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS
518944053711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 4820-01-198-4201
Characteristic Specifications
BODY STYLE SINGLE CONNECTION, STRAIGHT FLOW
END CONNECTION QUANTITY2
FIRST END CONNECTION TYPE THREADED EXTERNAL PIPE
FIRST END NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES
SECOND END RELATIONSHIP WITH FIRST END NOT IDENTICAL
SECOND END CONNECTION TYPE PLAIN FACE FLANGE
SECOND END STYLE DESIGNATOR PLAIN
SECOND END FLANGE SHAPE STYLE HEXAGON W/ BOLT HOLES
SECOND END WIDTH ACROSS FLATS0.750 INCHES NOMINAL
ABSOLUTE PRESSURE SETTING0.5
SPECIAL FEATURESOPERATING PRESSURE: 0-100 PSI; OPERATING TEMP: -40 TO 105 DEG CELCIUS