4820-01-031-1109, VALVE,PRESSURE EQUALIZING,GASEOU

National Stock Number:
4820-01-031-1109

Federal Supply Class:
4820

National Item Identification Number:
010311109

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:

62814	82340	L3HARRIS TECHNOLOGIES, INC.
62814-1	82340	L3HARRIS TECHNOLOGIES, INC.
68214-1	82340	L3HARRIS TECHNOLOGIES, INC.
A-817V	97484	EATON AEROSPACE LLC

Techincal Specification:

END CONNECTION QUANTITY	1
BODY STYLE	SINGLE CONNECTION, STRAIGHT FLOW
DISK LOADING METHOD	SPRING
FURNISHED ITEMS	FILTER SCREEN
FIRST END CONNECTION TYPE	THREADED EXTERNAL TUBE
FIRST END STYLE DESIGNATOR	PLAIN
FIRST END THREAD DIRECTION	RIGHT-HAND
FIRST END THREAD CLASS	2A
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED	0.250 INCHES NOMINAL
FLOW CONTROL DEVICE	DISK, BOTTOM GUIDED
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/3, ALLOY 2011, T3 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL	ALUMINUM ALLOY 2011 BODY
MATERIAL	STEEL CORROSION RESISTING FLOW CONTROL DEVICE
MEDIA FOR WHICH DESIGNED	AIR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625, TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625, TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE LOCATION NOT OTHERWISE SPECIFIED
SURFACE TREATMENT	ANODIZE OUTSIDE
VALVE RELIEF DESIGN TYPE	PRESSURE
VALVE VENTING DESIGN TYPE	ATMOSPHERIC

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