Product Details | SAFETY RELIEF VALVE

4820-01-381-8126 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.

Part Alternates: 6641189, 801-6641188 FIND A10, 8016641188FINDA10, 8016641188FNA10, 801-6641188FNA10, 8016641189FNA9, 801-6641189FNA9, 8016641189FNB9, 801-6641189FNB9, 4820-01-381-8126, 01-381-8126, 4820013818126, 013818126

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 22 OCT 1993 01-381-8126

Demand History | NSN 4820-01-381-8126

Part Number Request Date QTY Origin
4820-01-381-8126 2010-05-131 12 DIBBS
4820-01-381-8126 2009-02-48 12 DIBBS

Cross Reference | NSN 4820-01-381-8126

Part Number Cage Code Manufacturer
6641189 53711 NAVAL SEA SYSTEMS COMMAND
801-6641188 FIND A10 53711 NAVAL SEA SYSTEMS COMMAND
801-6641188FNA10 53711 NAVAL SEA SYSTEMS COMMAND
801-6641189FNA9 53711 NAVAL SEA SYSTEMS COMMAND
801-6641189FNB9 53711 NAVAL SEA SYSTEMS COMMAND

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Technical Data | NSN 4820-01-381-8126

Characteristic Specifications
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED FUEL/OIL, HYDROCARBON SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 160.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
ADJUSTABLE PRESSURE RANGE 200.0 TO 400.0 POUNDS PER SQUARE INCH
SPECIAL FEATURES VALVE SIZE 0.750IN.

Restrictions/Controls & Freight Information | NSN 4820-01-381-8126

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.
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 4820-01-381-8126

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 CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each