NSN 4820-01-143-4571

Part Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE

4820-01-143-4571 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.

Alternate Parts: TA770700049, TA770-700049, TA77010CO5CR, TA770-10C-O5C-R, 700049, 4820-01-143-4571, 01-143-4571, 4820011434571, 011434571

Supply Group (FSG)	NSN Assigned	NIIN	Item Name Code (INC)
48	DEC 04, 1982	01-143-4571	10958 ( VALVE, PRESSURE EQUALIZING, GASEOUS PRODUCTS )

REFERENCE DRAWINGS & PICTURES

SINGLE CONNECTION, STRAIGHT FLOW

GASKET SEAL COMPRESSION

Cross Reference | NSN 4820-01-143-4571

Part Number	Cage Code	Manufacturer
TA770-700049	08992	AGM CONTAINER CONTROLS INC.DBA A G M
TA770-10C-O5C-R	08992	AGM CONTAINER CONTROLS INC.DBA A G M
700049	51489	PLASTICS RESEARCH CORPORATIONDBA PRC

Technical Data | NSN 4820-01-143-4571

Characteristic	Specifications
BODY STYLE	SINGLE CONNECTION, STRAIGHT FLOW
BODY MATERIAL	ALUMINUM ALLOY
OUTSIDE SURFACE TREATMENT	ANODIZED, MIL-A-8625, TYPE 2
FLOW CONTROL DEVICE	ANY ACCEPTABLE
END CONNECTION QUANTITY	1
FIRST END CONNECTION TYPE	THREADED EXTERNAL GAS CYLINDER
FIRST END STYLE DESIGNATOR	0 GASKET SEAL COMPRESSION
FIRST END THREAD DIRECTION	RIGHT-HAND
OPENING PRESSURE SETTING	1.0 POUNDS PER SQUARE INCH
VALVE VENTING DESIGN TYPE	ATMOSPHERIC
VALVE RELIEF DESIGN TYPE	PRESSURE AND VACUUM
ABSOLUTE PRESSURE SETTING	0.5
SPECIAL FEATURES	MANUAL RELEASE BUTTON

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REFERENCE DRAWINGS & PICTURES

Cross Reference | NSN 4820-01-143-4571

Technical Data | NSN 4820-01-143-4571