Product Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE

4820-01-331-2647 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: 336-190-373, 4820-01-331-2647, 01-331-2647, 4820013312647, 336190373, 013312647

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 15 DEC 1990 01-331-2647

Demand History | NSN 4820-01-331-2647

Part Number Request Date QTY Origin
336-190-373 2025-06-170 142 DIBBS
336-190-373 2022-07-209 32 DIBBS
336-190-373 2022-06-167 50 DIBBS
336-190-373 2022-06-160 75 DIBBS
336-190-373 2021-10-304 19 DIBBS
336-190-373 2021-05-140 19 DIBBS
336-190-373 2021-05-129 19 DIBBS
336-190-373 2020-02-37 60 DIBBS
4820-01-331-2647 2015-08-228 63 DIBBS
4820-01-331-2647 2014-05-126 70 DIBBS
4820-01-331-2647 2012-02-55 20 DIBBS
4820-01-331-2647 2010-03-84 20 DIBBS

Cross Reference | NSN 4820-01-331-2647

Part Number Cage Code Manufacturer
336-190-373 47432 INTERSPIRO, INC.

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Restrictions/Controls & Freight Information | NSN 4820-01-331-2647

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
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 4820-01-331-2647

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