Product Details | VENT VALVE

4820-00-817-4985 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: SP248J, 604B, 758A881P001, C13C, 4820-00-817-4985, 00-817-4985, 4820008174985, 008174985

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1962 00-817-4985

Drawings & Photos | NSN 4820-00-817-4985


Demand History | NSN 4820-00-817-4985

Part Number Request Date QTY Origin
C13C 2024-06-155 1 DIBBS
SP248J 2024-06-155 1 DIBBS
C13C 2023-04-92 1 DIBBS
SP248J 2023-04-92 1 DIBBS
4820-00-817-4985 2015-02-32 20 DIBBS
4820-00-817-4985 2013-10-290 20 DIBBS
4820-00-817-4985 2013-02-48 2 DIBBS

Cross Reference | NSN 4820-00-817-4985

Part Number Cage Code Manufacturer
604B 95138 PERFECTING COUPLING CO
758A881P001 06273 GENERAL ELECTRIC CO SMALL AIRCRAFT ENGINE DEPT OF
758A881P001 24446 GENERAL ELECTRIC CO
C13C 65493 KEEN MANUFACTURING INC
SP248J 98425 ERIE ENGINEERED PRODUCTS, INC.

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Technical Data | NSN 4820-00-817-4985

Characteristic Specifications
MATERIAL COPPER ALLOY OVERALL
SURFACE TREATMENT NICKEL
STYLE DESIGNATOR C4 STRAIGHT THRU
CONNECTION TYPE THREADED EXTERNAL PIPE 1ST END
CONNECTION STYLE G46B PLAIN 1ST END
NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES 1ST END
THREAD SERIES DESIGNATOR NPT 1ST END
NOMINAL THREAD SIZE 0.500 INCHES 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END

Restrictions/Controls & Freight Information | NSN 4820-00-817-4985

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:UPrecious metal type is unknown
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 XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 4820-00-817-4985

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