Product Details | VENT VALVE

4820-01-423-2011 A valve designed to relieve internal pressure from gear housings, automotive axles, differentials, transmissions and the like. May or may not be threaded on one end. For items with relief pressure ratings see VALVE (1), SAFETY RELIEF.

Part Alternates: N9996082A007, N-999-6082-A-007, N-999-6082-A-007 ITEM 7, N9996082A007ITEM7, 5764P4320, 576-4P-4-320, 999-1107-D-01 ITEM 576, 9991107D01ITEM576, 4820-01-423-2011, 01-423-2011, 4820014232011, 014232011

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 18 DEC 1995 01-423-2011

Drawings & Photos | NSN 4820-01-423-2011


Demand History | NSN 4820-01-423-2011

Part Number Request Date QTY Origin
576-4P-4-320 2025-01-23 39 DIBBS
576-4P-4-320 2024-05-151 19 DIBBS
576-4P-4-320 2023-12-355 15 DIBBS
576-4P-4-320 2023-04-110 3 DIBBS
576-4P-4-320 2023-02-57 3 DIBBS
576-4P-4-320 2021-06-158 12 DIBBS
576-4P-4-320 2021-05-143 12 DIBBS
576-4P-4-320 2021-05-126 5 DIBBS
576-4P-4-320 2021-03-87 4 DIBBS
576-4P-4-320 2021-01-14 8 DIBBS
576-4P-4-320 2021-01-03 4 DIBBS
576-4P-4-320 2020-11-321 4 DIBBS
576-4P-4-320 2020-11-310 4 DIBBS
576-4P-4-320 2020-10-303 7 DIBBS
4820-01-423-2011 2018-06-170 20 DIBBS
4820-01-423-2011 2018-04-105 4 DIBBS
4820-01-423-2011 2018-03-88 4 DIBBS
4820-01-423-2011 2016-01-31 20 DIBBS
4820-01-423-2011 2016-01-03 4 DIBBS
4820-01-423-2011 2015-03-63 8 DIBBS
4820-01-423-2011 2014-11-320 11 DIBBS
4820-01-423-2011 2013-11-308 6 DIBBS

Cross Reference | NSN 4820-01-423-2011

Part Number Cage Code Manufacturer
576-4P-4-320 10941 CARVER PUMP COMPANY INC
576-4P-4-320 18034 NUPRO CO
999-1107-D-01 ITEM 576 10941 CARVER PUMP COMPANY INC
N-999-6082-A-007 10941 CARVER PUMP COMPANY INC
N-999-6082-A-007 ITEM 7 10941 CARVER PUMP COMPANY INC

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Technical Data | NSN 4820-01-423-2011

Characteristic Specifications
MATERIAL NICKEL ALLOY BODY
STYLE DESIGNATOR A46 SCREW-IN CARTRIDGE
CONNECTION TYPE THREADED CARTRIDGE ALL ENDS
CONNECTION STYLE G46A PLAIN ALL ENDS
THREAD SERIES DESIGNATOR UNF ALL ENDS
NOMINAL THREAD SIZE 0.437 INCHES ALL ENDS
THREAD CLASS 2B ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS

Restrictions/Controls & Freight Information | NSN 4820-01-423-2011

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 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
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 4820-01-423-2011

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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each