Product Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE

4820-01-630-0379 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.

Part Alternates: TA2402020R, TA240-20-20-R , 4820-01-630-0379, 01-630-0379, 4820016300379, 016300379

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 2014204 01-630-0379

Cross Reference | NSN 4820-01-630-0379

Part Number Cage Code Manufacturer
TA240-20-20-R 08992 AGM CONTAINER CONTROLS INC. DBA A G M

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Technical Data | NSN 4820-01-630-0379

Characteristic Specifications
BODY STYLE STRAIGHT THRU
BODY OUTSIDE DIAMETER 1.05 INCHES NOMINAL
BODY MATERIAL ALUMINUM ALLOY
OUTSIDE SURFACE TREATMENT ANODIZED
SEAT MATERIAL SILICONE
FLOW CONTROL DEVICE ANY ACCEPTABLE
END CONNECTION QUANTITY 1
FIRST END CONNECTION TYPE THREADED EXTERNAL PIPE
FIRST END NOMINAL PIPE SIZE ACCOMMODATED 1.0 INCHES
FIRST END THREAD SERIES DESIGNATOR NPSM
FIRST END NOMINAL THREAD SIZE 0.750 INCHES
MAXIMUM OPERATING PRESSURE 5.0 POUNDS PER SQUARE INCH
OPENING PRESSURE SETTING 2.0 POUNDS PER SQUARE INCH
VALVE VENTING DESIGN TYPE ATMOSPHERIC
VALVE RELIEF DESIGN TYPE PRESSURE AND
DISK LOADING METHOD SPRING
ABSOLUTE PRESSURE SETTING 2.0
SPECIAL FEATURES RECESSED MANUAL RELEASE PUSH BUTTON
SPECIFICATION/STANDARD DATA 81349-MIL-DTL-27166 GOVERNMENT SPECIFICATION AND

Restrictions/Controls & Freight Information | NSN 4820-01-630-0379

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information