NSN 4820-01-066-9474

Part Details | VACUUM BREAKING VALVE

4820-01-066-9474 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: P42628, P4-2628, P4262B, P4-262B, 9755091, 975509-1, 9755091, 975509-1, 4820-01-066-9474, 01-066-9474, 4820010669474, 010669474

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48OCT 21, 197801-066-947408101 ( VALVE, VACUUM BREAKING )
REFERENCE DRAWINGS & PICTURES

SINGLE CONNECTION, STRAIGHT FLOW

PLAIN

PLAIN

PLAIN

PLAIN

Cross Reference | NSN 4820-01-066-9474
Part Number Cage Code Manufacturer
P4-262891816CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS
P4-262B91816CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS
975509-149956RAYTHEON COMPANYDBA RAYTHEON
975509-13B150RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 4820-01-066-9474
Characteristic Specifications
BODY STYLE SINGLE CONNECTION, STRAIGHT FLOW
BODY MATERIAL BRASS, QQ-B-626, ALLOY 360, 1/2H
FLOW CONTROL DEVICEC ANY ACCEPTABLE
FLOW CONTROL DEVICE MATERIAL BRASS, QQ-B-626, ALLOY 360, 1/2H
END CONNECTION QUANTITY1
FIRST END CONNECTION TYPE THREADED EXTERNAL PIPE
FIRST END STYLE DESIGNATOR PLAIN
FIRST END NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES
FIRST END THREAD DIRECTION RIGHT-HAND
TEMP ADJUSTABILITY NOT ADJUSTABLE
MEDIA FOR WHICH DESIGNED ANY ACCEPTABLE
ABSOLUTE PRESSURE SETTING0.5