Product Details | VACUUM BREAKING VALVE

4820-01-492-3303 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: NO. 26, NO26, 113075, 4820-01-492-3303, 01-492-3303, 4820014923303, 014923303

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 21 NOV 2001 01-492-3303

Cross Reference | NSN 4820-01-492-3303

Part Number Cage Code Manufacturer
113075 18189 ITT BELL AND GOSSETT DOMESTIC PUMP OPERATION
NO. 26 18189 ITT BELL AND GOSSETT DOMESTIC PUMP OPERATION

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Technical Data | NSN 4820-01-492-3303

Characteristic Specifications
END CONNECTION QUANTITY 1
FIRST END CONNECTION TYPE THREADED EXTERNAL PIPE
FIRST END THREAD DIRECTION RIGHT-HAND
FIRST END THREAD SERIES DESIGNATOR NPT
FIRST END NOMINAL THREAD SIZE 0.750 INCHES
TEMP ADJUSTABILITY NOT ADJUSTABLE
MEDIA FOR WHICH DESIGNED STEAM
TEMP RATING 300.0 DEG FAHRENHEIT
ABSOLUTE PRESSURE SETTING 12.0
SPECIAL FEATURES 150 PSIG MAXIMUM WORKING PRESSURE; ADJUSTABLE RANGE 1/4" TO 20" (MERCURY) VACUUM; FACTORY SET TO 4" MERCURY VACUUM

Restrictions/Controls & Freight Information | NSN 4820-01-492-3303

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.
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
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 4820-01-492-3303

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each