Product Details | VENT VALVE

4820-01-518-4446 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: 41600WSSM, 4-1600WSSM, 4820-01-518-4446, 01-518-4446, 4820015184446, 015184446

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 11 MAR 2004 01-518-4446

Drawings & Photos | NSN 4820-01-518-4446


Demand History | NSN 4820-01-518-4446

Part Number Request Date QTY Origin
4820-01-518-4446 2017-06-155 3 DIBBS
4820-01-518-4446 2017-05-145 4 DIBBS
4820-01-518-4446 2017-03-87 4 DIBBS

Cross Reference | NSN 4820-01-518-4446

Part Number Cage Code Manufacturer
4-1600WSSM 79128 ROBERT H. WAGER COMPANY, INC.

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Technical Data | NSN 4820-01-518-4446

Characteristic Specifications
MATERIAL STEEL BODY
STYLE DESIGNATOR A1 STRAIGHT THRU
MEDIA FOR WHICH DESIGNED AIR SINGLE RESPONSE
CONNECTION TYPE BUTT WELD PIPE 1ST END
CONNECTION STYLE G26 PLAIN 1ST END
NOMINAL PIPE SIZE ACCOMMODATED 4.000 INCHES 1ST END
SPECIAL FEATURES FURNISH WITH PROTECTIVE SCREEN AND FLAME SCREEN
III PART NAME ASSIGNED BY CONTROLLING AGENCY TANK AIR ESCAPE VALVE

Restrictions/Controls & Freight Information | NSN 4820-01-518-4446

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.
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 4820-01-518-4446

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