Product Details | VACUUM BREAKING VALVE

4820-01-078-9926 An item designed to automatically relieve vacuum, by the intake of air, when the internal pressure falls below atmospheric pressure. See also VALVE, VACUUM REGULATING.

Part Alternates: AA204, 4820-01-078-9926, 01-078-9926, 4820010789926, 010789926

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 24 JUN 1979 01-078-9926

Drawings & Photos | NSN 4820-01-078-9926


Demand History | NSN 4820-01-078-9926

Part Number Request Date QTY Origin
4820-01-078-9926 2014-07-208 51 DIBBS
4820-01-078-9926 2013-02-48 6 DIBBS

Cross Reference | NSN 4820-01-078-9926

Part Number Cage Code Manufacturer
AA204 24123 GAST MFG CORP

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Technical Data | NSN 4820-01-078-9926

Characteristic Specifications
BODY STYLE B1 SINGLE CONNECTION, STRAIGHT FLOW
BODY MATERIAL ANY ACCEPTABLE
OUTSIDE SURFACE TREATMENT ANY ACCEPTABLE
SEAT MATERIAL ANY ACCEPTABLE
FLOW CONTROL DEVICE ANY ACCEPTABLE
FLOW CONTROL DEVICE MATERIAL ANY ACCEPTABLE
END CONNECTION QUANTITY 1
FIRST END CONNECTION TYPE THREADED EXTERNAL PIPE
FIRST END STYLE DESIGNATOR J6 PLAIN
FIRST END NOMINAL PIPE SIZE ACCOMMODATED 0.125 INCHES
FIRST END THREAD DIRECTION RIGHT-HAND
TEMP ADJUSTABILITY NOT ADJUSTABLE
MEDIA FOR WHICH DESIGNED AIR
TEMP RATING NOT RATED
ABSOLUTE PRESSURE SETTING NOT RATED

Restrictions/Controls & Freight Information | NSN 4820-01-078-9926

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-01-078-9926

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each