Product Details | VACUUM BREAKING VALVE

4820-00-815-2944 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: B40320FF3, CV40320FF3, CV40320-FF-3, 4820-00-815-2944, 00-815-2944, 4820008152944, 008152944

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 03 APR 1968 00-815-2944

Drawings & Photos | NSN 4820-00-815-2944


Cross Reference | NSN 4820-00-815-2944

Part Number Cage Code Manufacturer
B40320FF3 77842 EATON CORPORATION DBA CENTURIAN MECHANICAL SEALS
CV40320-FF-3 16780 EATON AEROSPACE LLC DBA SOLENOID VALVES

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Technical Data | NSN 4820-00-815-2944

Characteristic Specifications
BODY STYLE B3 SINGLE CONNECTION, STRAIGHT FLOW
BODY MATERIAL ALUMINUM ALLOY, QQ-A-225/6, ALLOY 2024, T4
OUTSIDE SURFACE TREATMENT ANODIZED
SEAT MATERIAL ALUMINUM ALLOY, QQ-A-225/6, ALLOY 2024, T4
FLOW CONTROL DEVICE DISK, TOP GUIDED
FLOW CONTROL DEVICE MATERIAL ALUMINUM ALLOY, QQ-A-225/6, ALLOY 2024, T4
END CONNECTION QUANTITY 1
FIRST END CONNECTION TYPE THREADED EXTERNAL BOSS
FIRST END STYLE DESIGNATOR J10 EXTERNAL SEAT FOR GASKET SEAL
FIRST END THREAD CLASS 3A
FIRST END THREAD DIRECTION RIGHT-HAND
TEMP ADJUSTABILITY NOT ADJUSTABLE
MEDIA FOR WHICH DESIGNED AIR
TEMP RATING -65.0 DEG FAHRENHEIT 180.0 DEG FAHRENHEIT
ABSOLUTE PRESSURE SETTING 1.0
FURNISHED ITEMS MANUAL UNLOADER ON PRESSURE SIDE
MANUFACTURERS CODE 16780
DESIGN CONTROL REFERENCE CV40320-FF-3

Restrictions/Controls & Freight Information | NSN 4820-00-815-2944

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: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.
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 4820-00-815-2944

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 CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each