Product Details | VENT VALVE

4820-01-524-7889 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: AV-13, AV13, 4820-01-524-7889, 01-524-7889, 4820015247889, 015247889

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 18 OCT 2004 01-524-7889

Drawings & Photos | NSN 4820-01-524-7889


Demand History | NSN 4820-01-524-7889

Part Number Request Date QTY Origin
D23731 2022-07-209 32 DIBBS
4820-01-524-7889 2017-10-285 33 DIBBS
4820-01-524-7889 2017-03-82 1 DIBBS
4820-01-524-7889 2017-03-61 6 DIBBS
4820-01-524-7889 2017-02-38 2 DIBBS
4820-01-524-7889 2017-01-19 1 DIBBS
4820-01-524-7889 2017-01-18 1 DIBBS
4820-01-524-7889 2016-12-361 1 DIBBS
4820-01-524-7889 2016-08-227 1 DIBBS
4820-01-524-7889 2011-08-239 1 DIBBS

Cross Reference | NSN 4820-01-524-7889

Part Number Cage Code Manufacturer
AV-13 03933 ARMSTRONG INTERNATIONAL, INC.

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Technical Data | NSN 4820-01-524-7889

Characteristic Specifications
MATERIAL COPPER ALLOY BODY RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
STYLE DESIGNATOR A1 STRAIGHT THRU
MEDIA FOR WHICH DESIGNED WATER, FRESH SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CONNECTION TYPE UNTHREADED EXTERNAL TUBE 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.750 INCHES 1ST END
SPECIAL FEATURES USED ON FLTRN UNIT, OILY WATER
III PART NAME ASSIGNED BY CONTROLLING AGENCY AIR VENT

Restrictions/Controls & Freight Information | NSN 4820-01-524-7889

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
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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
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 4820-01-524-7889

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