4820-01-230-6578, VALVE,PRESSURE EQUALIZING,GASEOU

4310-01-230-6577 VACUUM PUMP UNIT,ROTARY

National Stock Number:
4820-01-230-6578

Federal Supply Class:
4820

National Item Identification Number:
012306578

Description:
VALVE,PRESSURE EQUALIZING,GASEOU

Detail:
A VALVE CONSISTING OF A SINGLE DEADWEIGHT LOADED DISK, OR TWO DEADWEIGHT LOADED DISKS EACH WITH A SEPERATE SEAT. IT IS SPECIFICALLY DESIGNED FOR THE RELIEF OF SMALL PRESSURE AND VACUUM CONDITIONS WITHIN A TANK OR OTHER CONTAINER TO OR FROM THE ATMOSPHERE. THE CENTER OF A SINGLE DEADWEIGHT LOADED DISK MAY CONTAIN A SPRING LOADED DISK FORMING AN ADDITIONAL SEAT OR APERTURE. IT MAY BE SPRING LOADED AND/OR EQUIPPED WITH A MANUAL UNLOADER ON EITHER THE PRESSURE OR VACUUM SIDE. EXCLUDE VALVE, VACUUM BREAKING.

Manufacturer Information:

675035	94117	BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.
675035P1	94117	BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.
MIL-V-27166	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-V-27166C	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
CV39-8	91816	CIRCOR AEROSPACE, INC.

Techincal Specification:

BODY MATERIAL	STEEL, CORROSION RESISTING
FLOW CONTROL DEVICE	DISK, CIRCULAR
MAXIMUM OPERATING PRESSURE	15.0 POUNDS PER SQUARE INCH
TEMP RATING	160.0 DEG FAHRENHEIT
VALVE VENTING DESIGN TYPE	ATMOSPHERIC
BODY STYLE	SINGLE CONNECTION, STRAIGHT FLOW
END CONNECTION QUANTITY	1
FIRST END CONNECTION TYPE	THREADED EXTERNAL TUBE
FIRST END STYLE DESIGNATOR	PLAIN
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED	0.625 INCHES NOMINAL
FIRST END THREAD CLASS	2A
FIRST END THREAD DIRECTION	RIGHT-HAND
MEDIA FOR WHICH DESIGNED	HYDROCARBON FUELS AND OILS
VALVE RELIEF DESIGN TYPE	PRESSURE AND
	VACUUM
ABSOLUTE PRESSURE SETTING	2.0
SPECIFICATION/STANDARD DATA	81349-MIL-V-27166 GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA	3 TYPE AND
	1 CLASS
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MIL-V-27166

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