4820-01-368-1183, VALVE,PRESSURE EQUALIZING,GASEOU

4820-01-368-1184 VALVE,VACUUM REGULATING

National Stock Number:
4820-01-368-1183

Federal Supply Class:
4820

National Item Identification Number:
013681183

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:

119-1020-001	54296	LORAL TERRACOM DIV OF LORAL CORP
119-1020-001	9U244	L3 TECHNOLOGIES, INC.
MIL-V-55341/EL	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

END CONNECTION QUANTITY	1
BODY STYLE	SINGLE CONNECTION, STRAIGHT FLOW
FIRST END CONNECTION TYPE	THREADED EXTERNAL BOSS
FIRST END STYLE DESIGNATOR	EXTERNAL SEAT FOR GASKET SEAL
FIRST END NOMINAL THREAD SIZE	0.562 INCHES
FIRST END THREAD DIRECTION	RIGHT-HAND
FIRST END THREAD CLASS	2A
FIRST END THREAD SERIES DESIGNATOR	UNJ
FLOW CONTROL DEVICE	POPPET
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/3, ALLOY 2011, T3 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL	ALUMINUM ALLOY 2011 BODY
SPECIFICATION/STANDARD DATA	81349-MIL-V-55341/EL GOVERNMENT SPECIFICATION
VALVE VENTING DESIGN TYPE	CLOSED SYSTEM

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