Product Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE

4820-01-504-8853 A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude VALVE, VACUUM BREAKING.

Part Alternates: 0764175, 07641-75, 3HA522, 4820-01-504-8853, 01-504-8853, 4820015048853, 015048853

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 12 FEB 2003 01-504-8853

Drawings & Photos | NSN 4820-01-504-8853


Demand History | NSN 4820-01-504-8853

Part Number Request Date QTY Origin
3HA522 2020-10-294 8 DIBBS
3HA522 2020-06-177 15 DIBBS
4820-01-504-8853 2018-01-24 9 DIBBS

Cross Reference | NSN 4820-01-504-8853

Part Number Cage Code Manufacturer
07641-75 94231 CHAMPION COMPANY, THE DBA CHAMPION
3HA522 45152 OSHKOSH CORPORATION
3HA522 75Q65 OSHKOSH DEFENSE, LLC

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Technical Data | NSN 4820-01-504-8853

Characteristic Specifications
BODY STYLE A46 SINGLE CONNECTION STRAIGHT THRU
END CONNECTION QUANTITY 1
VALVE VENTING DESIGN TYPE ATMOSPHERIC
VALVE RELIEF DESIGN TYPE PRESSURE AND VACUUM
SPECIFICATION/STANDARD DATA 94231-07641 MANUFACTURERS STANDARD
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS PRESSURE & FLOW RATINGS
III SUPPLEMENTARY FEATURES 2.5 CFM @ PSI 2.5 WITH PRESSURE CLOSED (SEALED) AT OR ABOVE 1.0 PSI; 3.5 CFM @ PSI 2.5 WITH VACUUM CLOSED (SEALED) AT OR ABOVE 1.0 PSI; AGM CARGO TIES PART NUMBER ("10001-2642880D) TA330-26428805
III END ITEM IDENTIFICATION MEDIUM TACTICAL VEHICLE REPLACEMENT (MTVR) 2320-01-465-2174
III PART NAME ASSIGNED BY CONTROLLING AGENCY VALVE - BREATHER
MANUFACTURERS CODE 94231
DESIGN CONTROL REFERENCE 07641-75

Restrictions/Controls & Freight Information | NSN 4820-01-504-8853

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 PA Marine Corps Logistics Base
Albany, GA 31704-1128
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 4820-01-504-8853

Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
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
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