Product Details | VENT VALVE

4820-01-575-9798 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: 802027334376-1, 4820-01-575-9798, 01-575-9798, 4820015759798, 8020273343761, 015759798

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 20 JUL 2009 01-575-9798

Drawings & Photos | NSN 4820-01-575-9798


Cross Reference | NSN 4820-01-575-9798

Part Number Cage Code Manufacturer
802027334376-1 12255 UNITED STATES DEPARTMENT OF THE NAVY

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Technical Data | NSN 4820-01-575-9798

Characteristic Specifications
SPECIAL FEATURES 13.8 TO 62.1 BAR 200 TO 900 PSI8: STANDARD SETTING: 31.0 BAR 450PSI AT 0.95 LPM OR .25 GPM: SCREW ADJUSTED: PORT SIZE SAE 8 STRAIGHT THREAD O RING
MATERIAL ALUMINUM OVERALL
CONNECTION STYLE SWIVEL NUT, INVERTED FLARE(TUBE) ALL ENDS
END ITEM IDENTIFICATION HYDRAULIC PRESSURE VALV
CONNECTION TYPE THREADED INTERNAL TUBE ALL ENDS
STYLE DESIGNATOR A7 ANGLE
PART NAME ASSIGNED BY CONTROLLING AGENCY RELIEF VALVE

Restrictions/Controls & Freight Information | NSN 4820-01-575-9798

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 KE Naval ICP
Philadelphia, PA 19111
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 4820-01-575-9798

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
AY : Assembly